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Reduction of a metal oxide by excess car...

Reduction of a metal oxide by excess carbon at high temperature is a method for the commercial preparation of some metals. This method can be sucessfully applied in the case of:

A

`Be and Al_(2)O_(3)`

B

it liberates oxygen on heating

C

`CaO and Cr_(2)O_(3)`

D

`BaO and U_(3)O_(8)`

Text Solution

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The correct Answer is:
B
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