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.

Akash Patel said:   1 decade ago
As pencil is slippery in touch and the graphite is also slippery in touch. Also pencil is black in color as graphite is.


Post your comments here:

Your comments will be displayed after verification.