1.

metal compound A reacts with dilute hydrochloric acid to produce effervescence the gas evolved extinguishes The Burning candle write a balanced chemical equation for the reaction at one of the compound formed is calcium chloride​

Answer»

Answer:

CACO3 + 2HCl ⇨ CACL2 + CO2 + H2O

Explanation:

When calcium carbonate reacts with hydrochloric ACID, it produces carbon dioxide gas with effervescence. Carbon dioxide used as fire extinguisher. Hence, it extinguishes a burning candle. THEREFORE, the metal compound A is calcium carbonate.....as per my thinking...


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