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Which of the following statement about boron carbide is wrong?

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Its molecular formula is B₄C

It is also called Norbia.

It is the hardest substance

It is used for cutting glasses

answer is C.

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Detailed Solution

Boron carbide B₄C is an extremely hard boron carbon ceramic material used in tank armor, bullet proof vests, engine sabotage powders and is called Norbia.

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