CBSE Class 10 Chemistry Chemical Reactions And Equation Worksheet Set H

Read and download free pdf of CBSE Class 10 Chemistry Chemical Reactions And Equation Worksheet Set H. Download printable Science Class 10 Worksheets in pdf format, CBSE Class 10 Science Chapter 1 Chemical Reactions and Equations Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 10 Assignments and practice them daily to get better marks in tests and exams for Class 10. Free chapter wise worksheets with answers have been designed by Class 10 teachers as per latest examination pattern

Chapter 1 Chemical Reactions and Equations Science Worksheet for Class 10

Class 10 Science students should refer to the following printable worksheet in Pdf in Class 10. This test paper with questions and solutions for Class 10 Science will be very useful for tests and exams and help you to score better marks

Class 10 Science Chapter 1 Chemical Reactions and Equations Worksheet Pdf

 

CHEMICAL REACTIONS AND EQUATIONS
 
1 MARKS QUESTIONS:
 
1) What is meant by a chemical reaction ?
 
2) On what basis is a chemical equation balanced? (Delhi 2010, Foreign 2008)
 
3) Write a balanced chemical equation for the reaction between sodium chloride and silver nitrate indicating the physical state of the reactant and the products.(Foreign 2010)
 
4) What are the various in which a chemical equation can be made more informative.
 
5) Identify the type of reaction in the following examples. (Delhi 2008C )
 
a) Na2SO4 + BaCl2→ BaSO4 + 2NaCl.          b) N2+ 3H2→ 2NH3
 
c) 2Pb (NO3)2 →2PbO +4 NO2 + O2             d) Zn + 2 Ag NO3→Zn (NO3)2 + 2 Ag
 
2 MARKS QUESTIONS:
 
6) Using balanced chemical equation explain the difference between a displacement reaction and double displacement reaction. (CBSE- 2012 , 2011)
 
7) Define the following terms with examples.
 
a) Oxidation    b) Reduction     c) Corrosion    d) Redox Reaction
 
8) In the reaction represented by the equation CuO +H2→Cu + H2O
 
a) Name the substance oxidized & the substance reduced
 
b) Name the oxidizing agent & the reducing agent
 
9) A colorless lead salt when heated produces a yellow residue and brown fumes.
 
a) Name the lead salt.     b) Name the brown fumes.
 
c) Write a chemical equation of the reaction involved
 
10) What are antioxidants ?why are they added to fat and oil containing food ?
 
 3 MARKS QUESTIONS:
 
11) a)What is the colour of FeSO4 crystals ? How does this colour change after heating ?
 
b) Name the products formed on strongly heating ferrous sulphate crystals . What type of chemical reaction occurs in this change ?Also write the chemical equation.
 
12) Write balanced chemical equations with state symbols for the following reactions.
 
a) Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water .
 
b) Barium chloride solution reacts with aluminium sulphate solution to form a precipitate of barium sulphate and aluminium chloride solution .
 
c) Potassium reacts with water to give potassium hydroxide and hydrogen .
 
13) Balance the following equations. (CBSE- 2008 to 2012)
 
a) MnO2 + HCI→MnCI2 + H2O + Cl2 ( b) NH3 + O2→ NO + H2O
 
c) C4H10 +O2 →CO2 + H2O (d) Fe2 (SO4)3+ BaCl2→ FeCl3 + BaSO4
 
e) Cu + HNO3→ NO2 + H2O + Cu(NO3)2
 
14) What type of chemical reaction takes place when :
 
a) A magnesium wire is burnt in air.      b) Lime – stone is heated.                                c) Silver bromide is exposed to sunlight.
 
d) Electricity is passed through water.   e) Ammonia and hydrogen chloride are mixed.    f ) A white salt on heating decomposes to give brown fumes.
 
15) What happens when Zn metal is dipped in CuSOsolution ?Give the chemical reaction involved .State which is more reactive , Zn or Cu?
 
16) Define a combination reaction .Why are decomposition reactions called the opposite of Combination reaction ?Write equations for these reactions .
 
17) On heating blue coloured powder of copper (II) nitrate in boiling tube , copper oxide (black) , oxygen gas and a brown gas ‘x’ is formed . (DELHI-2010 )
 
a) Write a balanced chemical equation of the reaction.
 
b) Identify the brown gas ‘x’ evolved c) Identify the type of reaction .
 
18) What is rancidity?Mention any two ways by which it can be prevented. {CBSE (CCE) 2012}
 
VALUE BASED QUESTION:
 
19) Anjali told her chemistry teacher that biofuels should be used instead of fossil fuels.She read in science magazine that( Researchers have found that one of the most common bacteria E.coli can digest simple sugars from plant waste and turn it into biofuel.Biofuels made from plants and animal waste,are alternative to petroleum based fuels. )
 
A) What is biofuel?     B) What are advantages of biofuel?     C) Is preparation of biofuel a physical or chemical process?     D)Why is biofuel better than petroleum products?
 
E)What values are possessed by Anjali who wants to use biofuel?

 

Please click on below link to download CBSE Class 10 Chemistry Chemical Reactions And Equation Worksheet Set H

Chapter 06 Life Processes
CBSE Class 10 Biology Excretion Set A
CBSE Class 10 Biology Excretion Set B
CBSE Class 10 Biology Excretion Set C
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set A
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition In Animals Worksheet
CBSE Class 10 Biology Life Processes Nutrition In Plants Worksheet
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set A
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set C
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set D
CBSE Class 10 Biology Life Processes Reference Materials Worksheet
CBSE Class 10 Biology Life Processes Respiration In Animals Worksheet
CBSE Class 10 Biology Life Processes Respiration Worksheet Set A
CBSE Class 10 Biology Life Processes Respiration Worksheet Set B
CBSE Class 10 Biology Life Processes Respiration Worksheet Set C
CBSE Class 10 Biology Life Processes Respiration Worksheet Set D
CBSE Class 10 Biology Life Processes Transporation Worksheet Set A
CBSE Class 10 Biology Life Processes Transporation Worksheet Set B
CBSE Class 10 Biology Life Processes Transporation Worksheet Set C
CBSE Class 10 Biology Life Processes Transporation Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet
CBSE Class 10 Biology Life Processes Worksheet Set A
CBSE Class 10 Biology Life Processes Worksheet Set B
CBSE Class 10 Biology Life Processes Worksheet Set C
CBSE Class 10 Biology Life Processes Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet Set E
Chapter 09 Heredity and Evolution
CBSE Class 10 Biology Heredity And Evolution Set D
Chapter 13 Magnetic Effects of Electric Current
CBSE Class 10 Physics Magnetic Effects of Electric Current Worksheet Set E

Chapter 1 Chemical Reactions and Equations CBSE Class 10 Science Worksheet

The above practice worksheet for Chapter 1 Chemical Reactions and Equations has been designed as per the current syllabus for Class 10 Science released by CBSE. Students studying in Class 10 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 10 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 10 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 10 Science to develop the Science Class 10 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 10 Science designed by our teachers. After solving these you should also refer to Class 10 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 10 Science which you can use to further make yourself better in Science.

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