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What happens when calcium is treated wit...

What happens when calcium is treated 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 formed stick to the surface of calcium.

A

(I) and (IV)

B

(II) and (III)

C

(I) and (II)

D

(III) and (IV)

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