Question

Define corrosion and rancidity.​

Answer 1

Explanation:

• Corrosion: It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. ...
• Rancidity: When the substance containing oils and fats are exposed to air they get oxidised and become rancid due to which their smell, taste and colour change.

Answer 2

Corrosion :

The gradual loss of metal by the action of air, moisture or any chemical (such as acid) whenever exposed in the open is called corrosion.

E. g.- rusting of iron

Rancidity :

The condition produced in fat or oil containing food items by the airial oxidation, marked by unpleasant smell and taste is called rancidity.