WBCS.LIVE practice question

Which of the following is used in pencils?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Charcoal
  2. Silicon
  3. Graphite
  4. Phosphorus

Correct answer and explanation

Correct answer: Graphite

Explanation: āœ… Correct Answer: (C) Graphite šŸ“š Explanation: Graphite is an allotrope of carbon that is soft and slippery. It is used in pencil "leads" mixed with clay. When you write, layers of graphite slide off the pencil and stick to the paper. Graphite is also a good conductor of electricity, unlike most other non-metals. Charcoal is used for art, but not as the core of a standard writing pencil.