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Question

There is loss in weight when mixture of Li2CO3 and Na2CO310H2O is heate strongly. This loss is due to :

A
Li2CO3
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B
Na2CO310H2O
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C
both (a) and (b)
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D
none of these
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Solution

The correct option is C both (a) and (b)
Loss in weight due to following reactions:
Li2CO3Li2O+CO2
Na2CO310H2ONa2CO3+10H2O
As sodium carbonate is thermally stable so it will not dissociates on heating.

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