1.

Which one of the following reaction is an example for calcination process ?

Answer»

`2AG + 2HCl + (O) to 2AgCl + H_(2)O`
`2Zn + O_(2) to 2ZnO`
`2 ZNS + 3O_(2) to 2 ZNO + 2SO_(2)`
`MgCO_(3() to MgO + CO_(2)`

Solution :In calcination, CARBONATES are DECOMPOSED to lose `CO_(2)`.


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