Question

Q3. Give reason why
1. Aluminium foil are used to wrap food.
2. Plastic container are favoured for storing food.
3. Nails are pushed into wooden plank by its pointed head
4. Electric plug /switches are made by thermosetting plastic​

Answer 1

Explanation:

I I think this is the 8th class question amorite so you can find this why Google

Answer 2

Explanation:

1.because it is a conductor and absorbs and reflects heat and keep the food hot

2.because it is a insulator and does not absorb heat

3.because it is a sharp point and it can be easily enters into wooden plank

4.because it is a insulator and it does not melt easily and does not get shock