1.

In which of following ces calcination process is not appliable

Answer»

`CaCO_(3)`
`Al_(2)O_(3)2H_(2)O`
`CuCO_(3).CU(OH)_(2)`
`ZnS`

Solution :CALCINATION is the process generally USED for Carbonate and hydrated ORES like `CaO_(3),Al_(2)O_(3).2H_(2)O and CuCO_(3).Cu(OH)_(2)`


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