CBSE Class 10 Science Carbon and its compound Sure Shot Questions B

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Study Material for Class 10 Science Chapter 4 Carbon and Its Compound

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Class 10 Science Chapter 4 Carbon and Its Compound

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CARBON AND ITS COMPOUND

1. Carbon exists in the atmosphere in the form of

(a) carbon monoxide only

(b) carbon monoxide in traces and carbon dioxide

(c) carbon dioxide only

(d) coal

2. Which of the following statements are usually correct for carbon compounds? These

(i) are good conductors of electricity

(ii) are poor conductors of electricity

(iii) have strong forces of attraction between their molecules

(iv) do not have strong forces of attraction between their molecules

(a) (i) and (iii) (b) (ii) and (iii)

(c) (i) and (iv) (d) (ii) and (iv)

3. A molecule of ammonia (NH3) has

(a) only single bonds

(b) only double bonds

(c) only triple bonds

(d) two double bonds and one single bond

4. Buckminsterfullerene is an allotropic form of

(a) phosphorus

(b) sulphur

(c) carbon

(d) tin

5. Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats.

This is an example of

(a) Addition reaction

(b) Substitution reaction

(c) Displacement reaction

(d) Oxidation reaction

6. In which of the following compounds, — OH is the functional group?

(a) Butanone (b) Butanol

(c) Butanoic acid (d) Butanal

7. Which of the following are correct structural isomers of butane?

CBSE Class 10 Science Carbon and its compound Sure Shot Questions B

(a) (i) and (iii)     (b) (ii) and (iv)

(c) (i) and (ii)      (d) (iii) and (iv)

8. In the below given reaction, alkaline KMnO4 acts as

(a) reducing agent

(b) oxidising agent

(c) catalyst

(d) dehydrating agent

9. Structural formula of ethyne is

CBSE Class 10 Science Carbon and its compound Sure Shot Questions B

10. The soap molecule has 

(a) hydrophilic head and a hydrophobic tail

(b) hydrophobic head and a hydrophilic tail

(c) hydrophobic head and a hydrophobic tail

(d) hydrophilic head and a hydrophilic tail

11. Which of the following is the correct representation of electron dot structure of nitrogen?

CBSE Class 10 Science Carbon and its compound Sure Shot Questions B

12. Identify the unsaturated compounds from the following

(i) Propane

(ii) Propene

(iii) Propyne

(iv) Chloropropane

(a) (i) and (ii)

(b) (ii) and (iv)

(c) (iii) and (iv)

(d) (ii) and (iii)

13. Chlorine reacts with saturated hydrocarbons at room temperature in the

(a) absence of sunlight

(b) presence of sunlight

(c) presence of water

(d) presence of hydrochloric acid

14. In the soap micelles

(a) the ionic end of soap is on the surface of the cluster while the carbon chain is in the interior of the cluster.

(b) ionic end of soap is in the interior of the cluster and the carbon chain is out of the cluster.

(c) both ionic end and carbon chain are in the interior of the cluster

(d) both ionic end and carbon chain are on the exterior of the cluster

15. Pentane has the molecular formula C5H12. It has

(a) 5 covalent bonds

(b) 12 covalent bonds

(c) 16 covalent bonds

(d) 17 covalent bonds

16. Ethanol reacts with sodium and forms two products. These are

(a) sodium ethanoate and hydrogen

(b) sodium ethanoate and oxygen

(c) sodium ethoxide and hydrogen

(d) sodium ethoxide and oxygen

CBSE Class 10 Science Carbon and its compound Sure Shot Questions B

19. Vinegar is a solution of

(a) 50% – 60% acetic acid in alcohol

(b) 5% – 8% acetic acid in alcohol

(c) 5% – 8% acetic acid in water

(d) 50% – 60% acetic acid in water

20. Mineral acids are stronger acids than carboxylic acids because

(i) mineral acids are completely ionised

(ii) carboxylic acids are completely ionised

(iii) mineral acids are partially ionised

(iv) carboxylic acids are partially ionised

(a) (i) and (iv)

(b) (ii) and (iii)

(c) (i) and (ii)

(d) (iii) and (iv)

21. Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of

(a) helium

(b) neon

(c) argon

(d) krypton

CBSE Class 10 Science Carbon and its compound Sure Shot Questions B

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CBSE Class 10 Science Chapter 4 Carbon and Its Compound Study Material

We hope students liked the above Study Material for Chapter 4 Carbon and Its Compound designed as per the latest syllabus for Class 10 Science released by CBSE. Students of Class 10 should download the Study Material in Pdf format, read the notes and related questions and solutions given in above Class 10 Science Study Material on daily basis. All latest Study Material have been developed for Science by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Expert teachers of studiestoday have referred to NCERT book for Class 10 Science to develop the Science Class 10 Study Material. After solving the questions given in the Study Material which have been developed as per latest course books also refer to the NCERT solutions for Class 10 Science designed by our teachers. Also download Class 10 Science Sample Papers given on studiestoday. After solving these you should also refer to Class 10 Science MCQ Test for the same chapter.

 

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