Chemistry Carbon and its Compounds Questions & Answers - 2

Question: 6

What is fermentation?

The slow chemical change taking place in an organic compound by the action of enzymes leading to the formation of smaller molecules is called fermentation.

Question: 7

What are hard and soft soaps?

Sodium salts of fatty acids are known as hard soaps.

Potassium salts of fatty acids are known as soft soaps.

Question: 8

What is meant by a functional group?

An atom or group of atoms which is responsible for the characteristic properties of the compound is called as functional group.

Question: 9

What is rectified spirit?

A mixture of 95.6% ethanol and 4.4% of water is called an rectified spirit.

Question: 10

State any four uses of ethanoic acid?

It is used in the manufacture of paints, varnishes etc.

It is used in the preparation of ether, chloroform etc.

It is used in alcoholic drinks like whisky, beer etc.

It is used as an antiseptic to sterilize the wounds.