Question

(a)Show bond formation between Calcium and Oxygen . Why is this compound a poor conductor of electricity in solid state ?

(b)Nikita took Mg, Fe, Zn and Cu Al, and Na metals and put each of them first in cold water and then in hot water and steam.

(i) Name the metal which will react with steam.

(ii)Name the metal which reacts with cold water.

(iii)Name a metal which reacts with hot water.

(iv)Write chemical equations for all the above reactions.

(v) Arrange all the metals in increasing order of reactivity.

Answer 1

Answer:

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