Question

What happens when :
(a) a non-metal reacts with oxygen ?
(b) a metal reacts with a dilute acid ?
(c) carbon dioxide reacts with water ?​

Answer 1

Answer:

(C)

Carbon dioxide dissolves in water and slowly reacts with water to produce carbonic acid. ... Since calcium bicarbonate is soluble in water, the CaCO3 precipitate dissolves in the presence of excess carbonic acid

Explanation:

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Answer 2

Answer:

(c) ans- formed carbonic acid