explain the following terms by giving one example
corrosion
rancidity
Answers
Answer :-
Corrosion is the process of destruction of metal when they come in contact with air (Oxygen) and moisture.
Example : Silver articles become black after sometime when exposed to air. This is because it reacts with sulphur in the air to form a coating of silver sulphide.
Rancidity : It is the process when fats and oils are oxidised they become rancid and their smell, taste and appearance change.
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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.
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