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Which fo the following processes involve...

Which fo the following processes involves smelting

A

`ZnCO_(3) rarrZnO+ CO_(2)`

B

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

C

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

D

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

Text Solution

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The correct Answer is:
B
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