Name a compound x reacts with dil.hcl to produce effervescence. The gas evolved extinguishes a burning candleand turns lime water milky. Identify the gas evolved. If excess gas is passed through lime water,milkiness disappears, the solution becomes clear and forms compound y. Identify x and y. Give your answer with balanced chemical equation.
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calcium carbonate is x and carbon dioxide is y it may help you to understand
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when ammonium carbonate reacts with dil H2SO4 it gives brick effervescence of CO2 gas.Confirmatory test involves reaction of (NH4)2CO3 +dil H2SO4+LIME WATER which results in limw milky water.
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