Which of the following materials is used in Pencils that are used for writing?

Options :
  1. Charcoal
  2. Silicon
  3. Phosphorus
  4. Graphite
Answer and Explanation :-

Answer: Option 4

Explanation:

Graphite is an allotrope of Carbon and it is generally used in the Pencils that are used for writing purposes. Charcoal is used for Pencils used specifically for drawing and sketching purposes.

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