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.

Mayank sharma said:   1 decade ago
As graphite is a hard and non-metal, brittle also allotropes of carbon, and it is black and soft.

Aarthi said:   1 decade ago
GRAPHITE is black colour and it is soft and sharp. It is one of carbon. So pencil writes black.

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

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

Ramanpreet dhanesar said:   1 decade ago
Graphite is a metal. It is black in colour and very smooth for use. So it is use in pencils.

Patel dhaval a said:   1 decade ago
Graphite is very soft to easy sharp and very easy write on paper and its smothly removable.

Rajesh kumar das said:   1 decade ago
Graphite is a soft non-metals and gets powdered easily in hand. So graphite use in pencils.

Ramesh said:   1 decade ago
Most pencil marked a graphite mixed a clay and a leaves grey and black mark easily eraser.

Ankita said:   8 years ago
Graphite is used in pencil because graphite gives blackness and softness to the pencil.

Mohan said:   1 decade ago
Its a carbon compound and the graphite is very soft that's why it will easily broken.

Nive... said:   9 years ago
Hi, @Tin. Your explanation is correct. I think so that the substance is clay powder.


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