Question

Give reasons for the following. (a) Aluminium foils are used to wrap food items.?

Answer 1

Aluminium foils are used to wrap food items because aluminium metal is malleable. Therefore, it can be beaten into thin foils.it is a metal and hence keep the food warm for some time

Answer 2

ALUMINIUM  inner surface isnot actual contact with the food item,will not absorb radiated heat and the outer surface also do not radiate heat