A compound of a calcium reacts with dilute hydrochloric acid to produce effervescence The gas evolved extinguishes a burning candle turns lime water milky Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride
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Answer: The gas thus formed is an effervescent carbon dioxide gas when calcium carbonate reacts with hydrochloric acid. The carbon dioxide gas also acts as an extinguisher for fires. Hence, the burning candle is extinguished. The metal compound , therefore, constitutes calcium carbonate. Metal compound is CaCO3
The Gas evolved is CO2
Equation
The balanced equation of the reaction is
CaCO3 + 2HCl → CaCl2 + CO2 + H2O
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