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The pair that does NOT require calcinati...

The pair that does NOT require calcination is :

A

`ZnO` and `MgO`

B

`ZnCO_(3)` and CaO

C

`Fe_(2)O_(3)` and `CaCO_(3).MgCO_(3)`

D

`ZnO` and `Fe_(2)O_(3).xH_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
A
Calcination is required for hydroxide, carbonate and hydrated oxide ores.
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