Choose the correct alternative and rewrite statement, Chapter No. 9: Carbon compounds.

Choose the correct alternative and rewrite statement, Chapter No. 9: Carbon compounds.

Which of the following contains -COOH functional group?

A. Butanone
B. Butanol
C. Butanoic acid
D. Butanal

Which of the following compounds will burn with a sooty flame?

A. Naphthalene
B. Propanol
C. Ethane
D. Butane

When ethanol reacts with sodium, the products are ______________

A. sodium ethanoate and hydrogen
B. sodium ethoxide and oxygen
C. sodium ethoxide and hydrogen
D. sodium ethoxide and carbon dioxide

When few drops of acetic acid are added to a test tube containing sodium bicarbonate powder, a gas is evolved. Which of the following is CORRECT about the gas evolved?

A. It burns with pop sound
B. It turns lime water milky.
C. It has a foul smell of rotten eggs.
D. It has a fruity smell.

The main constituents of cooking gas are ___________

A. propane and butane
B. butane and benzene
C. propane and benzene
D. methane and acetylene.

The polymer used in the making kitchen cabinet is ______________

A. teflon
B. Polyethylene
C. rubber
D. polyvinyl chloride.

Answers:

Chapter No. 9: Carbon compounds.

Which of the following contains -COOH functional group?

A. Butanone
B. Butanol
C. Butanoic acid
D. Butanal

Which of the following compounds will burn with a sooty flame?

A. Naphthalene
B. Propanol
C. Ethane
D. Butane

When ethanol reacts with sodium, the products are ______________

A. sodium ethanoate and hydrogen
B. sodium ethoxide and oxygen
C. sodium ethoxide and hydrogen
D. sodium ethoxide and carbon dioxide

When few drops of acetic acid are added to a test tube containing sodium bicarbonate powder, a gas is evolved. Which of the following is CORRECT about the gas evolved?

A. It burns with pop sound
B. It turns lime water milky.
C. It has a foul smell of rotten eggs.
D. It has a fruity smell.

The main constituents of cooking gas are ___________

A. propane and butane
B. butane and benzene
C. propane and benzene
D. methane and acetylene.

The polymer used in the making kitchen cabinet is ______________

A. teflon
B. Polyethylene
C. rubber
D. polyvinyl chloride.