2. A solution reacts with marble chips to produce a gas which turns lime water milky. The solution contains
(a) sodium sulphate.
(b) cacium sulphate.
(c) sulphuric acid.
(d) potassium sulphate.
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2. A solution reacts with marble chips to produce a gas which turns lime water milky. The solution contains
(a) sodium sulphate.
(b) cacium sulphate.✔️✔️✔️
(c) sulphuric acid.
(d) potassium sulphate.
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