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) Bubble of hydrogen gas formed stick to the surface of calcium.
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) Bubble 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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(iv) Bubbles of hydrogen gas formed stick to the surface of calcium.
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Answer:
it reacts less violently with water
Explanation:
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