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Which of the following metals are extrac...

Which of the following metals are extracted by using `Al` as reducing agent ?

A

`Na` from `Na_(2)O`

B

`Cr` from `Cr_(2)O_(3)`

C

`W` from `WO_(3)`

D

`Mg` from `MgO`

Text Solution

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The correct Answer is:
B, C
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