Question

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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Answer 1

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Option D

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Answer 2

Answer:

d) iii and iv.........

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