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Which of the following processes involve...

Which of the following processes involves smelting

A

`2PbS +3O_(2) rarr 2PbO + 2SO_(2) uarr`

B

`AI_(2) O_(3).2H_(2)O rarr AI_(2)O_(3) + 2H_(2)O`

C

`Fe_(2)O_(3) +CO rarr 2Fe +2CO_(2)`

D

`Cr_(2)O_(3) + 2AI + AI_(2) O_(3) +2Cr +Heat`

Text Solution

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The correct Answer is:
C
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