Question

which gas is given off when calcium carbonate reacts with hydrocloric acid​

Answer 1

Answer:

CO2 has is released

CaCO3 + HCl --> CaCl2 + CO2 + H2O

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Answer 2

Answer:

Like all metal carbonates, calcium carbonate reacts with acidic solutions to produce carbon dioxide gas. It is this reaction that is responsible for limestone fizzing when dilute hydrochloric acid is placed on its surface.

Explanation:

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