Questions
Which of the following statement about boron carbide is wrong?
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a
Its molecular formula is B4C
b
It is also called Norbia.
c
It is the hardest substance
d
It is used for cutting glasses
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Correct option is C
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.Talk to our academic expert!
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