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Which is the hardest compound of boron?...

Which is the hardest compound of boron?

A

magnesium boride

B

aluminium boride

C

boron nitride

D

boron carbide

Text Solution

Verified by Experts

The correct Answer is:
D
Boron carbide is written as `B_(4)C`. It is produced by reducing `B_(2)O_(3)` with C at `1600^(@)` C. Fibres of `B_(3)C` have an enormous tensile strength and are used to make bullet -proof clothing .
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