We have often seen that oily food if not used within a limited times get stale and gives bad
smell and become unfit for consumption. This is due to oxidation of oils and fats present in the
Now answer the following questions :-
(i) On marriage or other celebrations, a lot of food goes waste. What methods do you
suggest to prevent this wastage?
(ii) After preservatives are added to certain food stuffs so that they can stay consumable for
a longer time but these preservatives are chemical which may be harmful, what
alternatives do you suggest?
(iii) What method of preservation of food items should be followed at home?