WILLER ACADEMY

Class 10 Science Chapter 4 Quiz

Carbon and its Compounds

1. Which of the following is a saturated hydrocarbon?
a) Ethene b) Ethyne c) Ethane d) Benzene

2. Which element forms the largest number of compounds?
a) Hydrogen b) Carbon c) Oxygen d) Nitrogen

3. Which of the following is not a property of covalent compounds?
a) Low melting point b) Poor conductor of electricity c) High solubility in water d) Exist as molecules

4. Which functional group is present in alcohols?
a) –CHO b) –COOH c) –OH d) –CO–

5. Which of the following is used as a fuel in oxy-acetylene welding?
a) Ethene b) Ethyne c) Methane d) Propane

6. What is catenation? Give one example. (2 marks)

7. Why are covalent compounds generally poor conductors of electricity? (2 marks)

8. State three differences between saturated and unsaturated hydrocarbons. (3 marks)

9. What happens when ethanol is heated with alkaline potassium permanganate? (3 marks)

10.
a) Explain the process of soap formation with a chemical equation.
b) State two differences between soaps and detergents. (5 marks)

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