CBSE Class 10 Science Metals and Non Metals MCQs

Refer to CBSE Class 10 Science Metals and Non Metals MCQs provided below available for download in Pdf. The MCQ Questions for Class 10 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 3 Metals and Nonmetals are an important part of exams for Class 10 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 10 Science and also download more latest study material for all subjects

MCQ for Class 10 Science Chapter 3 Metals and Nonmetals

Class 10 Science students should refer to the following multiple-choice questions with answers for Chapter 3 Metals and Nonmetals in Class 10.

Chapter 3 Metals and Nonmetals MCQ Questions Class 10 Science with Answers

Question : Which is the least conductor of heat

a) Lead

b) Gold

c) Platinum

d) Silver

Answer : Lead

 

Question : Metal have ______no. of electrons in their outer most shell

a) 1 to 3

b) 1 to 8

c) 7 to 9

d) 10 to 12

Answer : 1 to 3

 

Question : Which oxide is neutral ?

a) H2O

b) NO2

c) MgO

d) None of these

Answer :  H2O

 

Question :  Al2.O3 2SiO2.2H2O is the chemical formula of

a) China Clay

b) Bauxite

c) Haemetite

d) Monazite

Answer : China Clay

 

Question : An alloy is

a) A mixture

b) A metalloid

c) A element

d) An isomer

Answer : A mixture

 

Question : Which non-metal is the best conductor of electricity

a) Graphite

b) Phosphorus

c) Phosphorus

d) Bromine

Answer : Graphite

 

Question : Which compound is used in photography

a) AgBr

b) AgO

c) AgCl

d) AgNO3

Answer : AgBr

 

Question : Carnallite is the mineral of

a) Mg

b) Na

c) Ca

d) All of these

Answer : Mg

 

Question : The magnesium is used in

a) All of these

b) Grignard reagent

c) Flash bulb

d) Electron alloy

Answer : All of these

 

Question : Cinnabar is an ore of

a) Mercury

b) Calcium

c) Copper

d) Lead

Answer : Mercury

 

Question : The constituent of haemoglobin is

a) Iron

b) Copper

c) Sodium

d) Magnesium

Answer : Iron

 

Question : The most abundant metal in the earth crust is

a) Al

b) O

c) Fe

d) Cu

Answer : Al

 

Question : Because of high electropositively, the atom of metals can easily form

a) Positive ions

b) Negatively ions

c) Neutral ions

d) Covalent bonds

Answer : Positive ions

 

Question : Volatile metals are purified by

a) Distillation

b) Oxidation

c) Liquation

d) Electrolytic refining

Answer : Distillation

 

Question : Amalgam is the homogeneous mixture of

a) Metal and mercury

b) Metal and non-metal

c) Metal and metal

d) All of these

Answer : Metal and mercury

 

Question : Which of the following is a ferrous alloy

a) Steel

b) Brass

c) Solder

d) Magnalium

Answer : Steel

 

Question : Which of the following statements is correct

a) All minerals are ores

b) All ores are minerals

c) All ores are minerals

d) None is correct

Answer : All minerals are ores

 

Question : Food cans are coated with tin and not zinc because

a) Zinc is more reactive than tin

b) Zinc is less reactive than tin

c) Zinc has a higher melting point than tin

d) Zinc is costlier than tin

Answer : Zinc is more reactive than tin

 

Question : Elements with atomic number greater than 92 are also called

a) transuranic elements

b) noble gas elements

c) alkaline earth metals

d) alkali metals

Answer : transuranic elements

 

Question : A purple-coloured solid halogen is

a) I

b) CI

c) Br

d) F

Answer : I

 

Question : Chajcogen refers to

a) ore-forming elements

b) chemically inert elements

c) salt-forming elements

d) alkali-forming elements

Answer : ore-forming elements

 

Question : Which of the following is a solid at STP?

a) iodine

b) chlorine

c) fluorine

d) bromine

Answer : iodine

 

Question :  Element M is a metal and its chloride has the formula MCl2. The element most likely belongs to which group of the periodIC table'?[

a) 2

b) 17

c) 1

d) 15

Answer : 2

 

Question : Copper is extracted from low grade ore by

a) hydrometallurgy

b) pyrometallurgy

c) electrometallurgy

d) all of the above processes

Answer : hydrometallurgy

 

Question : Roasting process is applied to which of them following ores?

a) all of these

b) iron pyrites

c) galena

d) copper glance

Answer : all of these

 

Question : Purification of metals by liquation method is based on difference in

a) melting point

b) vapour density

c) density

d) solubility

Answer : melting point

 

Question : Arrange the following metal in the increasing order of their reactivity towards water: Zinc, Iron, Magnesium, Sodium

a) iron < zinc < magnesium < sodium

b) magnesium < iron < sodium < zinc

c) sodium < iron < magnesium < zinc

d) iron < Magnesium < sodium < zinc

Answer : iron < zinc < magnesium < sodium

 

Question : Which of the following is used for making magnets

a) alnico

b) magnalium

c) duralumin

d) bronze

Answer : alnico

 

Question : White phsphorus is stored in

a) water

b) ether

c) alcohol

d) kerosene oil

Answer : water

 

Question : Ordinary glass is a mixture of

a) sodium silicate, calcium silicate

b) sodium silicate, calcium silicate and silica

c) sodium silicate and silica

d) none of the above

Answer : sodium silicate, calcium silicate

 

Question : Annealing is done to

a) decrease brittleness

b) increase refractive inded

c) increase Transparancy

d) increase brittleness

Answer : decrease brittleness

 

Question : Polymer used in making floor tiles is

a) polyyinyl chloride

b) teflon

c) polypropylene

d) buta-1, 3-diene

Answer : polyyinyl chloride

 

Question : Which of the following is an example of condensaiton polymers?

a) nylon

b) neoprene

c) polyethene

d) teflon

Answer : nylon

 

Question : Insulation of electric wire is done by

a) vinyl chloride

b) isoprene

c) neoprene

d) buta-1, 3-diene

Answer : vinyl chloride

 

Question : Permanent magnets can be made from

a) Wrought iron

b) Cobalt steel

c) Ni steel

d) Stainless steel

Answer : Wrought iron

 

Question : The formula of Oleum is

a) H2S2O7

b) H2S2O6

c) H2SO4

d) None of these

Answer :  H2S2O7

 

Question : The main constituents of cement are

a) calcium oxide, silicon dioxide, Aluminium oxide

b) calcium oxide, Iron oxide, Sulphur dioxide

c) magnesium oxide, Silicon dioxide, Aluminium oxide

d) none of these

Answer : calcium oxide, silicon dioxide, Aluminium oxide

 

Question : Hard glass is prepared by

a) fusing a mixture of potassium carbonate, calcium carbonate and silica

b) fusing a mixture of potassium carbonate and any oxide

c) none of the above

d) fusing a mixutre of sodium carbonate, calcium carbonate and silica

Answer : fusing a mixture of potassium carbonate, calcium carbonate and silica

 

Question : The soap can be hardened by

a) adding sodium carbonate or sodium silicate during its manufacture

b) adding sodium chloride

c) adding potassium hydroxide

d) adding animal fat and coconut oil

Answer : adding sodium carbonate or sodium silicate during its manufacture

 

Question : Soda Acid for extinguisher contains

a) sodium hydrogen carboante and sulphuric acid

b) sodium carbonate and nitric acid

c) sodium carboante and carbonic acid

d) sodium chloride and sulphuric acid

Answer : sodium hydrogen carboante and sulphuric acid

 

Question : The real bleaching agent present in bleaching powder is

a) chlorine

b) oxygen

c) CaO

d) none of the above

Answer : chlorine

 

Question : Cake does not taste bitter due to presence of

a) tartaric acid

b) citric acid

c) sodium carbonate

d) sugar

Answer : tartaric acid

 

Question :  What is obtained on adding lime to H2O?

a) slaked lime

b) quicklime

c) limestone

d) lime

Answer : slaked lime

 

Question : The best electrical conductor is

a) silver

b) gold

c) copper

d) aluminium

Answer : silver

 

Question : "is malleable and ____" This statement best describes,

a) a metal

b) a metalloid

c) a nonmetal

d) a compound

Answer : a metal

 

Question : The most reactive metal of the following is

a) sodium

b) iron

c) zinc

d) magnesium

Answer : sodium

 

Question :  The reaction, Zinc + Copper sulphate solution →  Zinc sulphate solution + Copper, idicates that the metal which appear lower in the reactivity series is

a) Cu

b) Cu2+

c) Zn

d) Zn2+

Answer : Cu

 

Question : Where do the metals which can displace hydrogen from water at room temperature appear in the reactivity series ?

a) near the top

b) in the middle

c) at the bottom

d) next to hydrogen

Answer : near the top

 

Question : Iron is galvonized by coating it with

a) zinc

b) chromium

c) nickel

d) manganese

Answer : zinc

 

Question : Metalloids share the properties of

a) Both

b) Non-metals

c) Metals

d) None of these

Answer : Both

 

Question : Which one of the following is used for making pencil lead ?

a) Graphite

b) Sulphur

c) Diamond

d) None

Answer : Graphite

 

Question : The metal that melts even when kept on the palm is

a) Mercury

b) Gallium

c) Cobalt

d) Nickel

Answer : Mercury

 

Question : Which of the following metal cannot displaced hydrogen ?

a) All of these

b) Silver

c) Copper

d) Gold

Answer : All of these

 

Question : The essential condition required for rusting of iron is the pressure of

a) Moist oxygenated air

b) Nitrogen

c) Moisture

d) Oxygenated air

Answer : Moist oxygenated air

 

Question : Which of the following element is a metalloid?

a) Silicon

b) Nitrogen

c) Carbon

d) Calcium

Answer : Silicon

 

Question : Which of the following is the best conductor of electricity ?

a) Copper

b) Gold

c) Aluminum

d) Mercury

Answer : Copper

 

Question : The metal liquid at room temperature is

a) Mercury

b) Aluminum

c) Copper

d) Sodium

Answer : Mercury

 

Question : The element used as the index of the wealth of a country is

a) Gold

b) Platinum

c) Aluminum

d) Mercury

Answer : Gold

 

Question : The soldering wire is an alloy of

a) Copper and aluminium

b) Aluminium and lead

c) Lead and tin

d) Copper and tin

Answer : Copper and aluminium

 

Question : The stainless steel is an alloy of

a) Iron, nickel and chromium

b) Nickel and chromium

c) Iron and chromium

d) Iron and nickel

Answer : Iron, nickel and chromium
 

Question : The best electrical conductor is,
a) gold     
b) copper
c) silver   
d) aluminium
Answer : C
 
Question : "is malleable and ......" This statement best describes,
a) a metal           
b) a nonmetal
c) a metalloid     
d) a compound
Answer : A
 
 
Question : The most reactive metal of the following is,
a) zinc                     
b) iron
c) magnesium         
d) sodium
Answer : D
 
 
Question : The reaction, Zinc + Copper sulphate solution → Zinc sulphate solution + Copper,idicates that the metal which appear lower in the reactivity series is,
a) Zn             
b) Cu
c) Zn2+         
d) Cu2+
Answer : B
 
 
Question : Where do the metals which can displace hydrogen from water at room temperature appear in the reactivity series ?
a) near the top         
b) at the bottom
c) in the middle       
d) next to hydrogen
Answer : A
 
 
Question : Iron is galvonized by coating it with,
a) nickel                 
b) chromium
c) manganese         
d) zinc
Answer : D
 
 
Question : Metalloids share the properties of
a) Metals           
b) Non-metals
c) None             
d) Both
Answer : D
 
 
Question : Which one of the following is used for making pencil lead ?
a) Graphite     
b) Diamond
c) Sulphur       
d) None
Answer : A
 
 
Question : The metal that melts even when kept on the palm is
a) Cobalt         
b) Gallium
c) Nickel         
d) Mercury
Answer : D
 
 
Question : Which of the following metal cannot displaced hydrogen ?
a) Copper         
b) Silver
c) Gold             
d) All of these
Answer : D
 
 
Question : The essential condition required for rusting of iron is the pressure of
a) Oxygenated air
b) Moisture
c) Nitrogen
d) Moist oxygenated air
Answer : D
 
 
Question : Which of the following element is a metalloid?
a) Carbon         
b) Nitrogen
c) Calcium       
d) Silicon
Answer : D
 
 
Question : Which of the following is the best conductor of electricity ?
a) Copper       
b) Aluminum
c) Gold           
d) Mercury
Answer : A
 
 
Question : The metal liquid at room temperature is
a) Copper       
b) Aluminum
c) Sodium     
d) Mercury
Answer : D
 
 
Question : The element used as the index of the wealth of a country is –
a) Platinum    b) Aluminum
c) Gold           d) Mercury
Answer : C
 
 
Question : The soldering wire is an alloy of
a) Copper and tin
b) Lead and tin
c) Aluminium and lead
d) Copper and aluminium
Answer : D
 
 
Question : The stainless steel is an alloy of –
a) Iron and nickel
b) Iron and chromium
c) Nickel and chromium
d) Iron, nickel and chromium
Answer : D
 
 

MCQ Questions for NCERT Class 10 Science Metals and Nonmetals

Question. An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identity the element from the following 
(a) Mg
(b) Na
(c) P
(d) Ca

Answer : B

Question. The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?
(a) He
(b) Ar
(c) Ne
(d) Kr

Answer : C

Question. Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?
(a) Sonorousness
(b) Malleability
(c) Ductility
(d) Conductivity

Answer : A

Question. Which of the following are not ionic compounds? 
(i) KCl
(ii) HCl
(iii) CCl4
(iv) NaCl
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iii)

Answer : B

Question. Which of the following pairs will give dis-placement reactions?
(a) FeSO4 solution and Copper metal
(b) AgNO3 solution and Copper metal
(c) CuSO4 solution and Silver metal
(d) NaCl solution and Copper metal

Answer : B

Question. Non-metals form covalent chlorides because
(a) they can give electrons to chlorine
(b) they can share electrons with chlorine
(c) they can give electrons to chlorine atoms to form chloride ions
(d) they cannot share electrons with chlorine atoms

Answer : B

Question. Which of the following metals exist in their native state in nature ? 
(i) Cu
(ii) Au
(iii) Zn
(iv) Ag
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (ii) and (iv)
(d) (iii) and (iv)

Answer : C

Question. The electronic configuration of three elements X, Y and Z are as follows:
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula,
(a) X2Y
(b) YZ
(c) XZ3(d) Y2Z

Answer : B

Question. Example of an amphoteric oxide is:
(a) Na2O
(b) K2O
(C) Al2O3
(d) MgO

Answer : C

Question. Which one among the following is an acidic oxide?
(a) Na2O
(b) CO
(c) CO2
(d) Al2O3

Answer : C

Question. Which one of the following metals do not react with cold as well as hot water?
(a) Na
(b) Ca
(c) Mg
(d) Fe

Answer : D

Question. Al2O3 + 2NaOH → …… + H2O
(a) Al(OH)3
(b) Na2O
(c) NaAlO2
(d) AlNaO2

Answer : C

Question. Oxides of moderately reactive metals like Zinc, Iron, Nickel, Tin, Copper etc. are reduced by using
(a) Aluminium as reducing agent
(b) Sodium as reducing agent
(c) Carbon as reducing agent
(d) Calcium as reducing agent

Answer : C

Question. Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?
(a) FeO
(b) Fe2O3
(c) Fe3O4
(d) Fe2O3 and Fe2O4

Answer : C

Question. Galvanisation is a method of protecting iron from rudftng by coating with a thin layer of
(a) Galium
(b) Aluminium
(c) Zinc
(d) Silver

Answer : C

Question. Aluminium is used for making cooking uten¬sils. Which of the following properties of alu¬minium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i) and (iv)

Answer : D

Question. An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
(a) Mg
(b) Na
(c) P
(d) Ca

Answer : B

Question. Which of the following is the correct arrange-ment of the given metals in ascending order of their reactivity?
Zinc, Iron, Magnesium, Sodium
(a) Zinc > Iron > Magnesium > Sodium
(b) Sodium > Magnesium > Iron > Zinc
(c) Sodium > Zinc > Magnesium > Iron
(d) Sodium > Magnesium > Zinc > Iron

Answer : D

Question. The highly reactive metals like Sodium, Potas-sium, Magnesium, etc. are extracted by the
(a) electrolysis of their molten chloride
(b) electrolysis of their molten oxides
(c) reduction by aluminium
(d) reduction by carbon

Answer : A

Question. The lightest liquid metal is
(a) Hg
(b) Ga
(c) Cs
(d) Fr

Answer : C

Question. The most abundant metal in the earth’s crust is
(a) Iron
(b) Aluminium
(c) Calcium
(d) Sodium

Answer : B

Question. The most abundant element in the universe is
(a) Hydrogen
(b) Helium
(c) Carbon
(d) Oxygen

Answer : A

Question. Which of the following metals are obtained by electrolysis of their chlorides in molten state ?
(i) Na
(ii) Ca
(iii) Fe
(iv) Cu
(a) (i) and (iv)
(b) (iii) and (iv)
(c) (i) and (iii)
(d) (i) and (ii)

Answer : D

Question. In extraction of copper, the flux used is
(a) CaO
(b) SiO2
(c) FeO
(d) FeSiO3

Answer : B

 

Question. An example of a metal which is a liquid at room temperature
a) Zinc
b) Copper
c) Mercury
d) Bromine

Answer : C

Question. Gold is used in making ornaments because it is:
a) Lusturous
b) Unreactive
c) Malleable
d) All of the above

Answer : D

Question3. You are given two statements a and b, select the correct inference from this:
a) Metals conduct heat.
b) Diamond is the best conductor of heat.

i. Hence diamond is a metal

ii. Statement a is correct

iii. Statements a and b is correct

iv. None of the above

Answer : B

Question. A list of metals arranged in the order of their decreasing activities is known as:
a) Periodic table
b) Reactivity series
c) Newland’s law of octaves
d) All of these

Answer : B

Question. Sodium is kept immersed in kerosene oil because:
a) It reacts with moisture in the air
b) Immersing in kerosene cuts off the supply of air
c) The reaction of sodium with air is very violent.
d) All of the above.

Answer : D

Question. Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows
a) Which is the least reactive metal?

i. A ii. B iii. C iv. D

CBSE Class 10 Chemistry Metals and Non Metals MCQs

Question. In the above table arrange the metals A, B, C and D in increasing order of reactivity:
a) D < A < C < B
b) D < C < B
c) D < C < A < B
d) C < D < A < B

Answer : B

Question. What are the ions present in Na2O?
a) Na+, O
b) Na2+, O2-
c) Na2+, O
d) Na+, O2-

Answer : D

Question. Among the following select the metal found free in nature:
a) Au
b) Cu
c) Na
d) Mg

Answer : A

Question. Ores mined from the earth are usually comtaminated with large amounts of impurities such as soil, sand, etc called_____________.
a) Gravel
b) Gangue
c) Sand
d) Granite

Answer : B

Question. Which of the following can undergo a chemical reaction ? 
(a) MgSO4 + Fe
(b) ZnSO4 + Fe
(c) MgSO4 + Pb
(d) CuSO4 + Fe

Answer : D

 

Very Short Answer type Questions :

Question. Which metal does not react with water at all? 
Answer: Copper because it is less reactive than hydrogen.

Question. Arrange the following metals in the decreasing order of reactivity:
Na, K, Cu, Ag
Answer: K > Na > Cu > Ag

Question. Metals generally occur in solid state. Name and write symbol of a metal that exists in liquid state at room temperature.
Answer: Mercury(Hg) exists in liquid state at room temperature.

Question. Name two metals that are soft and can be cut with knife.
Answer: Na (Sodium) and K (Potassium)

Question. Which of the following two metals will melt at body temperature (37 °C)? Gallium, Magnesium, Caesium, Aluminium
Answer: Gallium and Caesium

Question. How many valence electrons do metals have?
Answer: They have 1 to 3 valence electrons.

Question. Why do we use copper and aluminium wire for transmission of electric current? 
Answer: It is because copper and A1 are good conductor of electricity and ductile, i.e. drawn into wires easily.

Question. Name one metal and one non-metal in liquid state at room temperature.
Answer: Mercury is a liquid metal and bromine is liquid non-metal.

Question. Name the ion made by non-metals: Cations/anion. 
Answer: Anions (negative ions) because non-metals can gain electrons easily.

Question. What are metal?
Answer: Those elements which can lose electrons easily and form positive ions. They are mostly solids, possess high density.

Question. Why does calcium float in water? 
Answer: It is because hydrogen gas is formed which sticks to surface of calcium, therefore it floats.

Question. Name any one metal which reacts neither with cold water nor with hot water, but reacts with heated steam to produce hydrogen gas.
Answer: Iron; 3Fe(s) + 4H2O(g) → Fe3O4(s) + 4H2(g)

Question. A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y and Z.
Answer: ‘X’ is carbon, ‘Y’ is diamond as it is the hardest natural substance and ‘Z’ is graphite as it is good conductor of electricity.

Question. From amongst the metals sodium, calcium, aluminium, copper and magnesium, name the metal
(a) which reacts with water only on boiling, and
(b) another which does not react even with steam.
Answer: (a) Magnesium reacts with water only on boiling.
(b) Copper does not react even with steam.

Question. What are non-metals?
Answer: Those elements which can gain electrons easily.

 

Short Answer type Questions :

Question. A non-metal which is a conductor of electricity.
Answer: Graphite

Question. Give examples of metals which can be cut with a knife.
Answer: Lithium, sodium, potassium

Question. Name two metals which are comparatively poor conductors of heat.
Answer: Le ad and mercury

Question. Name the metals that do not react with water
Answer: Lead, copper, silver and gold

Question. Name the metals which produce amphoteric oxides.
Answer: A luminium oxide, Zinc oxide

Question. Write the chemical reaction when iron reacts with dilute H2S04
Answer: Fe + H2S04 ---→ FeS04 +H2

Question. Name a metal and a non-metal which is a liquid at room temperature.
Answer: Metal - Mercury, Non-metal - Bromine

Question. Name the metals which react with cold water, hot water and steam.
Answer: Metals with cold water – sodium, potassium and calcium
Metals with hot water – magnesium
Steam – aluminium, iron and zinc

Question. Name the compound formed when copper is heated in air.
Answer: Copper (11) oxide

Question. Name two metals that will melt when kept on your palm.
Answer: Gallium, Caesium

Question. Why metals like sodium and potassium are immersed in kerosene oil?
Answer: Metals like sodium and potassium react so vigorously that they catch fire, if kept i8n the open. To protect them and to prevent accidental fires ,they are immersed in kerosene oil

Question. Write the chemical equation for the reaction between Aluminium oxide and acid.
Answer: Al2O3+6 HCl ---→ 2 AlCl3 +3H2O

Question. Name a strong oxidizing agent which produces water on reactivity with most metals.
Answer: Nitric acid (HN03)

Question. What kind of oxide is produced when metals and non-metals are dissolved in water?
Answer: Metals form basic oxide and amphoteric oxide, non-metals form acidic oxides and neutral oxides

Question. Why does calcium or magnesium float when they react with water?
Answer: Calcium or magnesium react less violently with water and the heat produced is not sufficient for the evolved hydrogen to catch fire

Question. What is the property of metals in their pure state having a shining surface called?
Answer: M etallic lustre

Question. Which metals does not react with at even high temperature.
Answer: Silver, gold

Question. Write the chemical equation for the reaction of potassium metal with water.
Answer: 2K +H2O ---→ 2KOH+H2+ heat

Question. Copper does not burn on heating, but it gets a coating of black coloured layer. Name the coating
Answer: Copper II oxide

Question. Write the chemical equation for the reaction of sodium metal with water.
Answer: 2Na+H2O ---→ 2NaOH+H2+ heat

Question. Name the property of metals that can be beaten into thin sheets.
Answer: Malleability

Question. Name the most malleable metals.
Answer: Gold, silver, platinum

Question. Write the chemical equation for magnesium and calcium reacting with water
Answer: Mg + 2H2O ---→Mg (OH) 2+ H2
Ca + 2H20 ---→Ca (OH) 2 + H2

Question. Aluminium oxide reacts with base to form sodium aluminate and water. Write chemical equation for this reaction.
Answer: Al2O3+2NaOH ---→2 NaAlO2 + H2O

Question. Why are metals said to be sonorous?
Answer: The property of metals producing a sound on striking a hard surface is called to be sonorous

Question. Name the metals whose surface get covered by thin layer of oxide on oxidation at ordinary temperature
Answer: Magnesium, aluminium, zinc, lead

Question. A metal does not burn on heating but its filings burn vigorously when sprinkled in the flame of the burner
Answer: iron

Question. Name the only metal which produces H2 on reacting with nitric acid?
Answer: Manganese, magnesium

Question. Complete the following:
Metal A + salt solution of B = __________ + __________
Answer: Salt solution of A + Metal B

Question. Name the property of metals that can be drawn into thin wires.
Answer: Ductility

 

CBSE Class 10 Science Metals and Non metals MCQs Set C 1

CBSE Class 10 Science Metals and Non metals MCQs Set C 2

 

CBSE Class 10 Science Metals and Non metals MCQs Set A 1

CBSE Class 10 Science Metals and Non metals MCQs Set A 1

CBSE Class 10 Science Metals and Non metals MCQs Set A 3

CBSE Class 10 Science Metals and Non metals MCQs Set A 4

 

 

 

Question : An example of a metal which is a liquid at room temperature

a) Zinc
b) Copper
c) Mercury
d) Bromine
Answer :  C
 
Question : Gold is used in making ornaments because it is:
a) Lusturous
b) Unreactive
c) Malleable
d) All of the above
Answer :  D
 
Question : You are given two statements a and b, select the correct inference from this:
a) Metals conduct heat.
b) Diamond is the best conductor of heat.
i. Hence diamond is a metal
ii. Statement a is correct
iii. Statements a and b is correct
iv. None of the above
Answer :  B
 
Question : A list of metals arranged in the order of their decreasing activities is known as:
a) Periodic table
b) Reactivity series
c) Newland’s law of octaves
d) All of these
Answer :  B
  
Question : Sodium is kept immersed in kerosene oil because:
a) It reacts with moisture in the air
b) Immersing in kerosene cuts off the supply of air
c) The reaction of sodium with air is very violent.
d) All of the above.
Answer :  D
 
Question : Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows
a) Which is the least reactive metal?
i. A ii. B iii. C iv. D
 
CBSE Class 10 Chemistry Metals and Non Metals MCQs
 
Answer : D
 
Question : In the above table arrange the metals A, B, C and D in increasing order of reactivity:
a) D < A < C < B
b) D < C < B <A
c) D < C < A < B
d) C < D < A < B
 
Answer :  B
 
Question : What are the ions present in Na2O?
a) Na+, O
b) Na2+, O2-
c) Na2+, O
d) Na+, O2-
 
Answer : D
 
Question : Among the following select the metal found free in nature:
a) Au
b) Cu
c) Na
d) Mg
 
Answer : A
 
Question : Ores mined from the earth are usually comtaminated with large amounts of impurities such as soil, sand, etc called_____________.
a) Gravel
b) Gangue
c) Sand
d) Granite
 
Answer :  B

Question: Which of the following properties is not associated with metals ?
a) Allotropy
b) Conductivity
c) Ductility
d) Malleability

Answer : A

Question: Which of the following element is a metal ?
a) Aluminium
b) Boron
C) Carbon
d) Silicon

Answer : A

Question: Which of the following elements is not a metal ?
a) Calcium
b) Copper
c) Potassium
d) Sulphur

Answer : D

Question: Iron is a/an -
a) Alloy
b) Metal
c) Metalloid
d) Non-metal

Answer : B

Question: Which of the following non-metal is a good conductor of electricity ?
a) Diamond
b) Graphite
c) Phosphorus
d) Sulphur

Answer : B

Question: One of the constituents of amalgam is
a) Aluminium
b) Copper
c) Iron
d) Mercury

Answer : D

Question: Which of the following metal reacts with water causing fire ?
a) Aluminium
b) Calcium
c) Sodium
d) Zinc

Answer : C

Question: Which of the following metal is used in storage battery ?
a) Iron
b) Lead
c) Tin
d) Zinc

Answer : B

Question: The metal which exists as a liquid is
a) Aluminium
b) Sodium
c) Mercury
d) Potassium

Answer : C

Question: Which of the following non-metal exists in the liquid form ?
a) Chlorine
b) Bromine
c) Iodine
d) Fluorine

Answer : B

Question: Which of the following oxides is neither acidic nor basic?
a) CO2
b) N2O
c) SO2
d) SO3

Answer : B

Question: Which of the following displacement reaction is not possible?
a) Zn + CuSO4 → ZnSO4 + Cu
b) 2Ag + CuSO4 → Ag2SO4 + Cu
c) Mg + CuSO4 → MgSO4 + Cu
d) 2Na + CuSO4 → Na2SO4 + Cu

Answer : B

Question: Which of the following oxides may said to be neutral oxide ?
a) CO
b) CO2
c) SO2
d) SO3

Answer : A

Question: Which of the following metal reacts with water/steam to produce oxide instead of hydroxide ?
a) Sodium
b) Potassium
c) Calcium
d) Magnesium

Answer : D

Question: Which of the following metal does not react with dilute hydrochloric acid producing hydrogen gas ?
a) Zinc
b) Tin
c) Lead
d) Copper

Answer : D

Question: Which of the following elements does not react with cold acid ?
a) Na
b) Mg
c) C
d) Zn

Answer : C

Question: The white phosphorus is stored
a) in air
b) in water
c) in kerosene
d) in CS2

Answer : B

Question: Which one of the following properties is not generally exhibited by ionic compounds ?
a) solubility in water
b) electrical conductivity in solid state
c) high melting and boiling points
d) electrical conductivity in molten state

Answer : B

Question: Reaction between X and Y, forms compound Z, X loses electron and Y gains electron. Which of the following properties is not show by Z ?
a) has high melting point
b) has low boiling point
c) conducts electricity in molten state
d) occurs as solid

Answer : D

Question: The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 Z – 2, 8, 2. Which of the following is correct ?
a) X is a metal
b) Y is a metal
c) Z is a non-metal
d) Y is a non-metals and Z is a metal

Answer : D

Question: Froth floatation process is used for the concentration of
a) Oxide ores
b) Sulphide ores
c) Chloride Ores
d) Amalgam

Answer : B

Question: The substance added in water in the froth floatation process is
a) Olive oil
b) Pine oil
c) Coconut oil
d) None of the above

Answer : B

Question: Iron ore is concentrated by
a) Froth floatation
b) Electrolysis
c) Roasting
d) Magnetic separation

Answer : D

Question: Bauxite ore is concentrated by
a) Froth floatation
b) Electromagnetic separation
c) Chemical treatment
d) Hydraulic separation

Answer : C

Question: Froth-floatation method is successful in separating impurities from ores because
a) The pure ore is denser than water containing additives like pine oil, cresylic acid etc
b) The pure ore is soluble in water containing additives like pine oil, cresylic acid etc
c) The impurities are soluble in water containing additives like pine oil, cresylic acid etc
d) The pure ore is not as easily wetted by water as by pine oil, cresylic acid etc

Answer : D

Question: Extraction of zinc from zinc blende is achieved by
a) Electrolytic reduction
b) Roasting followed by reduction with carbon
c) Roasting followed by reduction with another metal
d) Roasting followed by self-reduction

Answer : B

Question: Heating of pyrites in air for oxidation of sulphur is called
a) Roasting
b) Calcination
c) Smelting
d) Slagging

Answer : A

Question: A substance which reacts with gangue to form fusible material is called
a) Flux
b) Catalyst
c) Ore
d) Slag

Answer : D

Question: When lime stone is heated strongly, it gives off CO2. In metallurgy this process is known as
a) Calcination
b) Roasting
c) Smelting
d) Ore dressing

Answer : C

Question: The substance which is mixed with the ore for removal of impurities is termed as -
a) Slag
b) Gangue
c) Flux
d) Catalyst

Answer : A

Question: Ores mined from the earth are usually comtaminated with large amounts of impurities such as soil, sand, etc called_____________.
a) Gangue
b) Gravel
c) Sand
d) Granite

Answer : A

Question: Among the following select the metal found free in nature:
a) Au
b) Cu
c) Na
d) Mg

Answer : A

Question: What are the ions present in Na2O?
a) Na+, O2-
b) Na2+, O2-
c) Na2+, O-
d) Na+, O

Answer : A

Question: Sodium is kept immersed in kerosene oil because:
a) All of the options
b) It reacts with moisture in the air
c) Immersing in kerosene cuts off the supply of air
d) The reaction of sodium with air is very violent.

Answer : A

Question: A list of metals arranged in the order of their decreasing activities is known as:
a) Reactivity series
b) Periodic table
c) Newlands law of octaves
d) All of these

Answer : A

Question: You are given two statements a and b, select the correct inference from this:
a) Metals conduct heat.
b) Diamond is the best conductor of heat.
a) Statement a is correct
b) Hence diamond is a metal
c) Statements a and b is correct
d) None of the options

Answer : A

Question: Gold is used in making ornaments because it is:
a) All of the options
b) Lusturous
c) Unreactive
d) Malleable

Answer : A

Question: An example of a metal which is a liquid at room temperature
a) Mercury
b) Zinc
c) Copper
d) Bromine

Answer : A

 

Short Answer type Questions :
 

Question. Which metals do not corrode easily?
Answer: Gold and platinum

Question. The impurities present in the ore is called ?
Answer: Gangue

Question. Name the metals in the middle of the activity series
Answer: Zinc, iron and lead

Question. How are metals in the low activity series extracted?
Answer: By roasting and refining

Question. Write the chemical equation for the extraction of metals in the low reactivity series
Answer: 2HgS + 3O2 ---→ 2HgO + 2S02
2HgO ---→ 2Hg +O2

Question. In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte ?
Answer: Anode - impure metal
Cathode – pure metal
Electrolyte – salt solution

Question. What is an alloy?
Answer: An alloy is a homogenous mixture of metals or metal with a non-metal

Question. Define roasting.
Answer: The process of converting sulphide ores into oxide by heating strongly in the presence of excess air

Question. List the condition necessary for corrosion?
Answer: Air and water

Question. Name the process of obtaining metals from their compounds.
Answer: Reduction

Question. An alloy is a mixture of ?
Answer: metals and non-metals

Question. What is anode mud?
Answer: The insoluble impurities settle down at the bottom of the anode during electrolyte refining of metals is called anode mud

Question. Name the metals obtained in the free state
Answer: Gold, silver, platinum, and copper

Question. What will be the action of SO2 gas on dry litmus paper and moist litmus paper
Answer: On dry litmus paper, it shows no change.
On moist litmus paper, it changes blue to red because S02 is acidic in nature and moist.
Litmus paper contain water and so splitting of ions take place and acidic nature is shown

Question. Carbon cannot reduce the oxides of sodium, magnesium, calcium, aluminium etc., to the respective metals. Why?
Answer: These metals have more affinity for oxygen for carbon

Chapter 01 Chemical Reactions and Equations
CBSE Class 10 Science Chemical Reactions and Equations MCQs
Chapter 02 Acids, Bases and Salts
CBSE Class 10 Science Acids Bases and Salts MCQs
Chapter 03 Metals and Nonmetals
CBSE Class 10 Science Metals and Non Metals MCQs
Chapter 04 Carbon and its Compounds
CBSE Class 10 Science Carbon and its Compounds MCQs
Chapter 05 Periodic Classification of Elements
CBSE Class 10 Chemistry Periodic Classification of Elements MCQs
Chapter 07 Control and Coordination
CBSE Class 10 Biology Control and Coordination MCQs
Chapter 08 How do Organisms Reproduce
CBSE Class 10 Biology How do Organisms Reproduce MCQs
Chapter 09 Heredity and Evolution
CBSE Class 10 Science Heredity and Evolution MCQs
Chapter 10 Light Reflection and Refraction
CBSE Class 10 Physics Light Reflection and Refraction MCQs
Chapter 11 The Human Eye and the Colourful World
CBSE Class 10 Science The Human Eye and the Colourful World MCQs
Chapter 13 Magnetic Effects of Electric Current
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs
Chapter 16 Sustainable Management of Natural Resources
CBSE Class 10 Biology Management of Natural Resources MCQs

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