Question

name the phenomenon due to which taste and smell of oily food changes when kept in open for a long time.Suggest one method to prevent it.

Answer 1

Rancidity is the phenomenon by which fats and oil containing foods get spoilt when kept open for a long time. It can be prevented by adding antioxidants to the food like vitamin A and vitamin C or it should be stored in airtight containers which slows down rancidity
or
we can prevent it by vinegar and nitrogen gas.
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Answer 2

Answer:

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