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Question

Which of the following element is used for making a lead pencil?

A
Silicon
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B
Graphite
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C
Aluminium
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D
Lead
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Solution

The correct option is B Graphite
Graphite is a form of carbon. Its black colour and soft texture make it perfect to be used for a pencil lead which leaves black marks on the paper. The pencil lead is a mixture of clay and graphite.

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