1.

Which of the following carbonates decomposes on heating ?

Answer»

`MgCO_(3)`
`Na_(2)CO_(3)`
`K_(2)CO_(3)`
`Rb_(2)CO_(3)`

Solution :`MgCO_(3) overset("Heat")to MGO +CO_(2)`
The METAL whose oxide is stable it's CARBONATE is unstable .


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