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  1. Carborundum is another name of
    1. Silicon carbide
    2. Silicon oxide
    3. Calcium carbide
    4. Calcium oxide
Correct Option: A

Silicon carbide, also known as carborundum, is a compound of silicon and carbon with chemical formula SiC. It occurs in nature as the extremely rare mineral moissanite. Silicon carbide powder has been mass-produced since 1893 for use as an abrasive.



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