question_answer

What happens when calcium reacts with water?

I.It does not react with water.

II.It reacts violently with water.

III.It reacts less violently with water.

IV.Bubbles of hydrogen gas form and stick to the surface of Calcium.

A) (I) and (IV)        

B) (II) and (III)

C) (I) and (11)       

D) (III) and (IV)