Which of the following is used in pencils?
A.Graphite
B.Silicon
C.Charcoal
D.Phosphorous
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hey...
guy..........
....good afternoon..
........ graphite is used in pencil...
because...The bonds between the layers are much weaker than covalent bonds. This enables the layers to slide across each other, making graphite soft.Graphite can also conduct electricity, between the layers of carbon atoms.Graphite is used as pencil 'lead..
hope it helps.....
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