1.

Which one of the following reactions is an example for calcination process

Answer»

`2AG + 2 HCl + (O) to 2 AgCl + H_(2)O`
`2 ZN + O_(2) to 2 ZnO`
`2 ZnS + 3 O_(2) to 2 Zn O + 2 SO_(2)`
`MgCO_(3) to MGO + CO_(3)`

Answer :D


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