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Which of the following reactions occurs ...

Which of the following reactions occurs during calcination ?

A

`CaCO_(3) to CaO+CO_(2)`

B

`4FeS_(2) +11O_(2) to 2Fe_(2)O_(3) +8SO_(2)`

C

`2 Al(OH)_(3) to Al_(2)O_(3) +3H_(2)O`

D

`Cu_(2)S +2CuO to 4Cu +SO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Carbonates, Hydrated minerals are subjected to calcination to remove volatile impurities like `CO_(2), H_(2)O`
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