Question

(a) Aluminium foils are used to wrap food items.
(b) Immersion rods for heating liquids are made up of metallic substances.
(c) Copper cannot displace zinc from its salt solution.
(d) Sodium and potassium are stored in kerosene.​

Answer 1

Answer:

a) since they act as insulators and prevent from contamination

b) since they r good conductors of electricity

c) snice copper is less reactive than zinc

d) sice they may catch fire being very reactive