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Q.

Which one of the following is an allotrope of carbon?

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a

Silver

b

Gold

c

Platinum

d

Diamond

answer is B.

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Detailed Solution

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Allotropy is the property of some chemical elements to exist in two or more different forms

Carbon exists in different forms. Each form is known as an allotrope of carbon. The allotropes of carbon are diamond, graphite and fullerene.

Diamond is an allotrope of carbon and is the hardest natural substance. So diamond is the correct answer.

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