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.

Metal compound A reacts with dilute hydrochloric acid to produce effer

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» 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.Explanation:follow me