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Which metal oxide cannot be reduced by c...

Which metal oxide cannot be reduced by carbon?

A

PbO

B

`Al_(2)O_(3)`

C

`Fe_(2)O_(3)`

D

ZnO

Text Solution

Verified by Experts

The correct Answer is:
B
Carbon cannot be used in the reduction of `Al_(2)O_(3)` in metallurgy hence, `Al_(2)O_(3)` can not reduced by carbon.
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Knowledge Check

  • Which oxide cannot be reduced by H_2 ?

    A
    `Al_(2)O_(3)`
    B
    `CuO`
    C
    `ZnO`
    D
    All of these

  • A metal has a high concentration into the earth crust and whose oxides cannot be reduced by carbon. The most suitable method for the extraction of such metal is :

    A
    Alumino thermite process
    B
    Electrolysis process
    C
    Van-Arkel’s process
    D
    Cupellation

  • A metal has a high concentration into the earth crust and whose oxides cannot be reducted by carbon. The most suitable method for the extraction of such metal is:

    A
    aluminothermite process
    B
    electrolysis process
    C
    van-Arkel's process
    D
    cupellation

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    Which of the following metal oxides can be reduced by CO?

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