When CaCO₃ is treated with HCl, a colourless odourless gas is evolved. The gas is:

CaCO₂

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O₂

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CO₂

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CaO

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Solution

The correct option is C
CO₂

CaCO₃(s) + 2HCI → CaCI₂(s) + CO₂(g) + H₂O(l)

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When CaCO3 is treated with HCl, a colourless odourless gas is evolved. The gas is:

The correct option is C CO2 CaCO3(s) + 2HCI → CaCI2(s) + CO2(g) + H2O(l)

When CaCO₃ is treated with HCl, a colourless odourless gas is evolved. The gas is:

The correct option is C
CO₂

CaCO₃(s) + 2HCI → CaCI₂(s) + CO₂(g) + H₂O(l)