NCERT Class X Science Class: Chapter – 4. Carbon and Its Compounds – Part-1 (For CBSE, ICSE, IAS, NET, NRA 2023)
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Multiple Choice Questions
Question 1:
Carbon exists in the atmosphere in the form of
- Carbon monoxide only
- Carbon monoxide in traces and carbon dioxide
- Carbon dioxide only
- Coal
Answer: C
Question 2:
Which of the following statements are usually correct for carbon compounds? These
- Are good conductors of electricity
- Are poor conductors of electricity
- Have strong forces of attraction between their molecules
- Do not have strong forces of attraction between their molecules
- (i) and (iii)
- (ii) and (iii)
- (i) and (iv)
- (ii) and (iv)
Answer: D
Question 3:
A molecule of ammonia () has
- Only single bonds
- Only double bonds
- Only triple bonds
- Two double bonds and one single bond
Answer: A
Question 4:
Buckminsterfullerene is an allotropic form of
- Phosphorus
- Sulphur
- Carbon
- Tin
Answer: C
Question 5:
Which of the following are correct structural isomers of butane?
- (i) and (iii)
- (ii) and (iv)
- (i) and (ii)
- (iii) and (iv)
Answer: C
Question 6:
In the above given reaction, alkaline acts as
- Reducing agent
- Oxidizing agent
- Catalyst
- Dehydrating agent
Answer: B