Q. Which of the following is used in pencils?
A) Phosphorous
B) Silicon
C) Charcoal
D) Graphite
โ Correct Answer: Graphite
Exam Insight
Pencils primarily use graphite as the writing core, often mixed with clay to control hardness.
A) Phosphorous
B) Silicon
C) Charcoal
D) Graphite
โ Correct Answer: Graphite
Pencils primarily use graphite as the writing core, often mixed with clay to control hardness.
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