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Solution


Q.

Rancidity can be prevented by:
1 adding antioxidants  
2 storing food away from light  
3 keeping food in refrigerator  
4 all of the above  

Ans.

(4)

Rancidity can be prevented by packing fat- and oil-containing foods in nitrogen gas. It can be retarded by keeping food in a refrigerator. It can also be retarded by storing food in air-tight containers and away from light in order to prevent their decomposition