Limestone on heating gives:

washing soda

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plaster of Paris

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quicklime

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slaked lime

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Solution

The correct option is C quicklime
Limestone on thermal decomposition gives calcium oxide and carbon dioxide.
${C a C O}_{3} h e a t - - \to C a O + {C O}_{2}$

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Limestone on heating decomposes into quick lime and carbon dioxide gas.What type of reaction is this?

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C O_{2}

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Calculate the mass of lime obtained by heating 200g of 95% pure limestone.

A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. Identify ‘X’.

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