(a) What is graphite ? Of what substance is graphite made ? (c) Why is graphite a
(a) What is graphite ? Of what substance is graphite made ?
(c) Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity ?
(d) State any two uses of graphite.
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(a) Graphite is a greyish-black opaque substance. It is made up of carbon.
(c) Due to the presence of free electrons in a graphite crystal, it conducts electricity however; a diamond crystal does not have free electrons so it does not conduct electricity.
(d) (i) Used as a lubricant (ii) Used for making pencil leads.
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