The residue can absorb fuel gases and is, therefore used in ___________
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The residue is also used for _________ of substances, e.g. sugar.
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When wood is heated in the absence of air, the residue is called ________
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The atoms in diamond are arranged in __________ pattern which account for its __________
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Long Answer Type
Difference between diamond and graphite.
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Short Answer Type
Give reasons: Diamond is used as an abrasive.
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Give two important uses of each of diamond and graphite.
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Give reasons: Graphite is used as lubricant.
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Long Answer Type
What are allotropes? Sketch the structure of two allotropes of carbon family namely diamond and graphite. What is the impact of structure on physical properties of two allotropes?