Question

5. Carborandum is -
(a) silicon carbide
(c) sodium silicate
(b) boron carbide
(d) sodium borate​

Answer 1

Silicon carbide is commonly known as Carborundum.

What is Carborundum?

• Carborundum is an inorganic compound and its chemical name is silicon carbide.
• The molecular formula of silicon carbide is SiC.
• The compound is very hard and rigid due to the presence of silicon and carbon.
• Moreover, it is found in nature in a mineral form known as moissanite and is also available in crystal and powder form.

So, the correct answer is A: silicon carbide

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