1.

Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.

Answer»

ANSWER:

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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.


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