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Which of the following reactions occurs ...

Which of the following reactions occurs during calcination ?

A

`CoCO_3 to CaO + CO_2`

B

`2Fe S_2 + (11)/(2) O_2 to Fe_2 O_3 + 4SO_2`

C

`Al_2 O_3 .x H_2 O to Al_2 O_3 + xH_2 O `

D

`ZnS + 2/3 O_2 to ZnO + SO_2`

Text Solution

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The correct Answer is:
A, C
a,c
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