GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The hardest form of carbon is
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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: -Lonsdaleite is also an allotrope of a carbon atom which is considered a 58% harder material than the diamond because of the enhancement of bone density per unit area and it has a hexagonal geometry.
Detailed explanation-3: -Scientists have found a mineral stronger than diamond Scientists have found a mineral stronger than diamond. They say lonsdaleite could be used to fortify industrial tools like drill bits and saw blades-AND teach us about the evolution of earth.
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