Rancidity

Q. Explain how food items are spoiled by chemical reactions?
[3 marks]

Q.

Rancidity is the chemical decomposition of

1. Fat

2. Protein

3. Carbohydrate

4. All of the above

Q. The potato chips manufacturers uses _____ gas to flush the chips bags to prevent the chips getting oxidised.

1. Oxygen
2. Carbon dioxide
3. Chlorine
4. Nitrogen

Q.

What is rancidity? What is the general name of chemicals which are added to fat and oil containing food so as to prevent the rancidity?

Q. Stale food gives a bad taste and because of ______.

Q. Explain the term rancidity. Mention any three methods for preventing rancidity of food.​ [3 Marks]

Q.

What causes rancidity in oily foodstuffs?

Q.

Some stale food gives a bad taste and a bad smell because of rancidity. True or False?

1. True

2. False