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Question

Which of the following substance will not liberate carbon dioxide gas on treatment with dilute acid?

A
Marble
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B
Limestone
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C
Baking soda
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D
Quick lime
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Solution

The correct option is D Quick lime
Marble and limestone are calcium carbonate.
1.CaCO3+2HClCaCl2+H2O+CO2marble/limstone2.NaHCO3+HClNaCl+H2O+CO2Bakingsoda3.CaO+HClCaCl2+H2OQuicklime(nocarbondioxidegasisevolved)

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