The residue can absorb fuel gases and is, therefore used in ___________
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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?
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When wood is heated in the absence of air, the residue is called ________
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Short Answer Type
Give two important uses of each of diamond and graphite.
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The atoms in diamond are arranged in __________ pattern which account for its __________
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Short Answer Type
Give reasons: Graphite is used as lubricant.
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The residue is also used for _________ of substances, e.g. sugar.