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which rock is used for manufacturing of pencil



Sagot :

Answer:

Graphite is used for manufacturing of pencil.p

Answer:

Graphite

Explanation:

Pencils have cores made from powdered graphite (not lead) fired with clay, which varies in hardness. The type of graphite used in pencils is relatively soft and malleable, a little like lead, and was mistakenly thought to be a form of lead when first discovered.