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Graphite

Graphite is u...

Question

Graphite is used as a solid:

A

coolent

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B

lubricant

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C

both (a) and (b) above

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D

none of these

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Solution

The correct option is C lubricant
Graphite is used as a solid lubricant because the adjacent layers of a sheet are held by weak van der Waal forces. In this, each carbon atom is $s p^{2}$ hybridized attached to 3 carbon atoms 3 $σ$ bonds forming a hexagonal linear structure

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