Question

What happens when calcium is treated with cold water?
-> i) It does not react with cold water.
ii) It reacts as violently as sodium does with water.
iii) The heat evolved is not enough for the hydrogen gas produced to catch fire.
iv) Bubbles of the hydrogen gas formed stick to the surface of calcium and make it float.
A) (i) and (iv) B) (ii) and (iii) C) (i) and (ii)
D) (iii) and (iv)

Answer 1

Answer:

option d, is the correct option