Question

define and explain corrosion and rancidity. give ways to prevent it

Answer 1

Corrosion:
The process due to which substances get corrode is called corrosion .
For example,Rusting of Iron and Tarnishing of Silver.
Prevention of Corrosion for several metals can be done through several methods such as Painting,Galvanisation(coating zinc on metal surfaces),Applying oil and grease

Rancidity:
The process of oxidation of fat and oil due to which bad smell is produced is called Rancidity
For example Bad smell coming from pickles
Preventive measures : Storing in airtight containers,cool temperatures,Flushing with Nitrogen gas and antioxidants

Answer 2

Hello Dost ☺

Answer :

Corrosion – The process of slow conversion of metals into their undesirable compounds due to their reaction with oxygen, water, acids, gases etc. present in the atmosphere is called corrosion.

Rusting – Iron when reacts with oxygen and moisture forms red substance called rust.

Rancidity – The taste and odour of food materials containing fat and oil changes when they are left exposed to air for long time. This is called rancidity.

It is caused due to oxidation of fat and oil present in food material.

It can be prevented by using various methods such as by adding antioxidants to the food materials, Storing food in air tight container and by flushing out air with nitrogen.

Thanks ☺