Question

explain corrosion and rancidity.how can we prevent them?????plz answer tday exam

Answer 1

Hey dear
Here is ur answer

Corrosion: It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. For example rusting is a form of corrosion in which iron is eaten up by the action of air and moisture and a reddish brown coating of iron oxide is formed as shown in the following chemical reaction.

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. For example when a when butter is kept open for a long time then its smell and taste gets changed.
Hope it helps u
Have a great day
And all the best for your exam

Answer 2

Hey user here is your answer.......


------> Rancidity- The process in which taste & smell of food get spoiled is called rancidity.

------>Prevention of Rancidity

◆Antioxidants are added to fatty acids to prevent oxidation.

◆Food should be kept in airtight container in refrigerator.


------>Corrosion- The process of slow eating up of metals when it comes in contact with moisture is called corrosion.


------->Prevention of corrosion

◆Painting

◆Plastic coating

◆Galvanisation

◆Alloying(it changes the property of metals)


Thanks☺️

#Rohan.