Give reasons for the following:
A. Aluminium foils are used to wrap food items.
B. Immersion rods are made up of metallic substances.
C. Copper can not 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 are made up of metallic substances. C. Copper can not displace zinc from its salt-solution. D. Sodium and Potassium are stored in Kerosene.