A) \[A{{l}_{2}}{{O}_{3}}\]
B) \[SiC\]
C) \[BN\]
D) \[Si{{O}_{2}}\]
Correct Answer: B
Solution :
Silicon carbide\[(SiC)\]is also known as carborundum. It is a very hard compound and hence used in cutting tools and as abrassive.
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