Question

1. Give reasons for the following:
a. Aluminium foils are used to wrap food items.
b. sodium and potassium are stored in water.
What is carbohay

Answer 1

a) Aluminium foils are used to wrap food items because aluminium is highly malleable metal. ... d) Sodium and potassium are highly reactive metals. They can catch fire even when they come in contact with air. So, they have to be kept in kerosene.