Question

Answer briefly: (4)

1. Make a note of what methods have been used to store food in your home for a long time.

2. Give examples to show that plastics are non- corrosive in nature.​

Answer 1

Answer:

method have been used to store food in your home for a long time are :

1)storing food in air tight container.

2)keeping the fast spoiling food in refrigerator.

3)keeping food in an dry and durt free area.

4)by not touching it with bare hands.

5)by not letting water come in contact with food.

food can be packed in aluminum foil.

Plastics are non-corrosive in nature, they do not react even if they come in contact with strong chemicals.

Following examples show that plastics are non-corrosive in nature :

(i) They are used to store chemicals. For example cleansing chemical are very reacticve and store in plastic bottle.

(ii) They are used to store all types of food, as it does not react to materials stored in it.

Answer 2

Answer:

the pickles should preserve in the plastic cans because If you preserve in iron after few days the rust comes out from iron so the iron bottle can spoil the pickles