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Which of the following reactions occurs ...

Which of the following reactions occurs during calcination ?

A

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

B

`2FeS_(2) +(11)/(2)O_(2) rarr Fe_(2)O_(3) +4SO_(2)`

C

`AI_(2)O_(3)xH_(2)O rarr AI_(2)O_(3) + xH_(2)O`

D

`ZnS +(3)/(2) O_(2) rarr ZnO +SO_(2)`

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ALLEN-METALLURGY-EXERCISE -04
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  2. Which of the following ores are concentrated by froth floatation?

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  3. Which of the following reactions occurs during calcination ?

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