Give reasons for the following:
$(i)$ Keeping food in airtight containers helps in preventing rancidity.

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(N/A) $(i)$ Airtight containers prevent air (oxygen) from coming into contact with the food,which inhibits the oxidation of fats and oils present in the food. Since oxidation is the primary cause of rancidity,preventing it ensures that the food does not become rancid,thereby preserving its original smell and taste.

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