Question

A solution reacts with marble chips to produce a gas which turns lime water milky. The solution contains
(a) Na2SO4
(b) CaSO4
(c) H2SO4
(d) K2SO4

Answer 1

Answer:

H2SO4

Explanation:

Marble chips are calcium carbonate.

You have studied that Carbon dioxide gas turns limewater milky.

Only acids will react with CaCO3 to release carbon dioxide.

So the solution must be acidic in nature.

Among the given options, H2SO4 is the right answer.

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Answer 2

$\huge\boxed {\fcolorbox {blue}{red}{H2SO4}}$