metal compound 'A' reacts with dilute sulphuric acid to produce a gas which extinguishes a burning candle. identify the compound 'A' and the gas produced. write a balanced chemical equation for the reaction if one of the compound formed in the reaction is sodium sulphate.

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Solution

The metal compound 'x' may be sodium carbonate . When it reacts with dilute sulphuric acid , it results in the formation of sodium sulphate and carbon dioxide gas is liberated. The effervescence is seen due to evolution of carbon dioxide and carbon dioxide gas extinguishes the burning candle.

Na₂CO₃ (s) + H₂SO₄ (aq)→Na₂SO₄(aq) + H₂O(l) + CO₂ (g)

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