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Two oxides of a metal contain 50% and 40...

Two oxides of a metal contain `50%` and `40%` metal `M` respectively. If the formula of the first oxide is `MO_(2)`, the formula of the second oxide will be

A

`MO_2`

B

`MO_3`

C

`M_2O`

D

`M_2O_5`

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The correct Answer is:
B
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