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A compound 'X' made of two non-metals, i...

A compound 'X' made of two non-metals, in a reaction with another non-metal 'Y' gives the hardest substance and carbon monoxide. Identify the compound X and non-metal Y.

A

`CO_(2),Si`

B

`SiO_(2),C`

C

`SiC,O_(2)`

D

`CO,Si`

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The correct Answer is:
B
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