Question

Food should kept in air tight container

Answer 1

Keeping food in air tight containers help in preventing rancidity. It does not allow air (oxygen) to come in contact with the food and this prevents oxidation of food. Thus the food never become rancid and its smell and taste remains the same. That is why food items are kept in closed containers.

HOPE THIS ANSWER HELPS

Answer 2

Food contains some elements that react with air to form toxic compounds. This is why food should be kept in air tight containers.