1.

Which alkali metal carbonate decompose on heating to liberate CO_(2) gas

Answer»

`Li_(2)CO_(3)`
`CaCO_(3)`
`Na_(2)CO_(3)`
`Al_(2)CO_(3)`

Solution :Among ALKALI metal carbonates only `Li_(2)CO_(3)` DECOMPOSES.
`Li_(2)CO_(3) overset(Delta)to Li_(2)O+CO_(2) UARR`


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