Question

20. Explain the following terms with one example each.
(a) Corrosion
(b) Rancidity​

Answer 1

Answer:

corrosion  the process of corroding or being corroded.

the gradual destruction of materials (usually a metal) by chemical and/or electrochemical reaction with their environment. Corrosion engineering is the field dedicated to controlling and preventing corrosion.

Explanation:

Rancidity refers to the complete or incomplete hydrolysis or oxidation of fats and oils when exposed to air, light, moisture, and bacterial activity; this generally occurs in food items making them undesirable for consumption.

Answer 2

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. This process is known as rancidity. 

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