Question

It is recommended to use air tight container
for storing oil for long time​

Answer 1

Answer:

when oil is used once or twice odour comes from that oil which leads to rancidity. To avoid this rancidity it is stored in air tight container so that it doesn't come in the contact of oxygen orelse air. by using antigens also rancidity can be avoided.

Answer 2

Answer:

brainliest plz

(i) Air, heat and light affect the quality of edible oil, which deteriorates through oxidation (rancidity).

(ii) The oxidation process is greatly enhanced when edible oils are stored in containers that are not air tight and in areas where oil is exposed to air, heat and light.  

(iii) Hence, it is recommended to use air tight containers for storing oil for long time, to prevent it from getting oxidised.