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(a) What is diamond ? Of what substance is diamond made ?(b) Explain why, diamond has a high melting point.(d) State any two uses of diamond. |
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Answer» (a) Diamond is a colourless transparent substance having extraordinary brilliance. It is made up of carbon. (c) Diamond has a high melting point because a lot of heat energy is required to break the network of strong covalent bonds in the diamond crystal. (d) (i) Used in rock drilling equipment (ii) Used in making jewellery. |
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