Question

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 compound formed is calcium chloride​

Answer 1

Answer:

Ca + 2HCL---> CaCl2 + H2

Answer 2

CaCO3+HCl--------> CO2+H2O+ CaCl2

the gas evolve is carbon dioxide

the metal compound is calcium carbonate

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