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 5 of 13.

Daniel Wundengba said:   10 years ago
Pencil has a black color as well as graphite. So that is truly the answer.

Brajesh shakya said:   10 years ago
Graphite is softonic substance because use the pancle.

Reethu said:   10 years ago
Graphite is the most stable form of carbon.

Krishna said:   10 years ago
Graphite is good.

Hamza saleem said:   10 years ago
Because the pencil have to leave a grey mark on the page that's why the graphite used in the pencil.

Billu said:   10 years ago
Because graphite is is a non porous metal.

Rajesh said:   10 years ago
Graphite is very soft and easily sharp.

Ng wei chuen said:   10 years ago
Why is graphite used in pencils?

Can't something else be used instead such as processed leaf?

Prince Neta said:   10 years ago
Graphite is a soft non metal. It is used in pencil.

Vedha said:   1 decade ago
Pencil's lead is soft and sharp. It is also black in color as graphite.


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