Question

give reason.Graphite leaves a mark on paper and feels soft and greasy​

Answer 1

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The layers in graphite can slide over each other because the forces between them are weak. This makes graphite slippery, so it is useful as a lubricant . ... The layers are easily rubbed off to leave a mark on paper.

Answer 2

The layers in graphite can slide over each other because the forces between them are weak. This makes graphite slippery, so it is useful as a lubricant. Graphite is used to make the core or 'lead' in pencils because it is soft. The layers are easily rubbed off to leave a mark on the paper.