Question

name compound A reacts with dilute hydrochloric acid to produce effervescence .the gas evolved existinguishes a burning candle. io write a balanced chemical equation for the reaction if one of the compound formed is calcium chloride

Answer 1

The compound A is calcium carbonate. The gas evolved is carbon dioxide which extinguishes a burning candle
Can Co3(aq) + 2HCl(Dil)------------CaCl2(aq)+H2O(l) + CO2(g).

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