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.
Answer:A
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.