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ChemistryChemistry
12 October, 22:13

Name the non-metals

a. with lustre.

b. which is hard solid.

c. conduct electricity or heat except for one.

d. used in disinfection of drinking water.

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Answers (1)
  1. 13 October, 01:06
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    The non metal with lustres, which is hard, conduct electricity and used in disinfection of drinking water is graphite

    graphite an allotrope of carbon is only one non - metal which is a good conductor electricity and is highly refactory and chemically inert. Its luster is metallic to dull and has a hardness of of 1-2. Its specific gravity is 2.2 and its crystal system is hexagonal.
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