When food containing fat or oil is not used and left for a long time,

1.	When food containing fat or oil is not used and left for a long time, their smell and taste changes. Name the process which is responsible for this change. List two methods to prevent or slow down the above change.
Answer» When food containing fat or oil is not used and left over for a long time, their smell and taste changes because of fats and oils getting slowly oxidized. This process is called rancidity. Two methods which are used to slow down the oxidation process are: (i) keeping food in the airtight container. (ii) flushing the bags containing food with nitrogen gas.

When food containing fat or oil is not used and left for a long time, their smell and taste changes. Name the process which is responsible for this change. List two methods to prevent or slow down the above change.

Answer»

When food containing fat or oil is not used and left over for a long time, their smell and taste changes because of fats and oils getting slowly oxidized. This process is called rancidity.

Two methods which are used to slow down the oxidation process are:

(i) keeping food in the airtight container.

(ii) flushing the bags containing food with nitrogen gas.

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When food containing fat or oil is not used and left for a long time, their smell and taste changes. Name the process which is responsible for this change. List two methods to prevent or slow down the above change.

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