GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the hardest form of carbon?
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coke
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graphite
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charcoal
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diamond
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Explanation:
Detailed explanation-1: -Move over, diamond: The title of hardest material now belongs to Q-carbon, a new substance created by researchers using laser light, The New York Times reports.
Detailed explanation-2: -Diamond. Is the hardest form of carbon.
Detailed explanation-3: -Diamond is the hardest allotrope of carbon.
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