General Knowledge - General Science - Discussion

Discussion Forum : General Science - Elements and Metals (Q.No. 4)
4.
Which of the following is used in pencils?
Graphite
Silicon
Charcoal
Phosphorous
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
121 comments Page 13 of 13.

Krishna said:   9 years ago
Graphite is good.


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