Question

why does edible oils rancidity when stored for long period?​

Answer 1

Answer:

Here is the answer to your question:

Explanation:

Oil, when exposed to air, light, or moisture reacts with oxygen.

So, the process of incomplete oxidation takes place, resulting in the formation of an unpleasant odor.

This is also called rancidity.

Answer 2

Answer:

Edible oils have fat in them and get oxidised in the presence of oxygen . The oxygen when combined causes the substance to get rancid .

Explanation:

When the food has been exposed to the air , the oxygen present in the air reacts with the food and oxidises it .

The oxidized food gets rancid. Rancidity is accompanied by change in colour, taste, smell or even texture sometimes.