Give reasons for the following.​
Sodium and potassium are stored in kerosene.

Give reasons for the following :

(a) Sodium and potassium are stored in kerosene.

(b) Copper cannot displace zinc from its salt solution (zinc sulphate solution).

Question 12 (b)

Give reason why sodium, potassium and lithium are stored in oil?

Give reasons for the following.

(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.