Explain the following terms corrosion and Rancidity with example.
Answers
Explanation:
when a metal is attacked by substances around it such as moisture , acids etc , it is said to be corroded and this process is known as corrosion.
Eg: The black coating on silver.
The green coating on copper
when fats and oils are oxidised , they become rancid and their smell and taste changes.This process is known as rancidity.
Eg : butter gets spoiled due to oxidation at room temperature if kept for a longer time, it becomes sour in taste and gives a foul smell.
Answer:
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.