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 3 of 13.

Punam jyoti said:   1 decade ago
Graphite's colour is black. Paper colour is white and graphite can mark on the paper easily. So, graphite is the one element to make a pencil.

DurgaPrasad DSP said:   1 decade ago
Graphite is one of the allotrope of carbon and it is Black in color.

And one doubt. What is the difference between Graphite and Lead pencil?

Chingkhei said:   1 decade ago
Pencils present graphite on the middle round of it. Graphite can easily mark on the paper cause graphite is the one element to make a pencil.

Yashasvi said:   1 decade ago
People beleive that mankind in stone age used agraphite stone to write on mud so scientist even tried to do same so pencils were created.

Aboothar said:   1 decade ago
Graphit is a non metal.

It is a good conductor.

If a pencil point touch the electirc current.

It we give a spark & chocking smell.

Pankaj sharma said:   1 decade ago
Graphite and diamond are the allotropes of carbon. Allotropes are those elements which have same atomic no but different masss number.

Sonam Singh said:   1 decade ago
Nib of the pencil is of graphite the main part of the pencil by which we write it's a soft non metal and easily removable as well.

M.mouna said:   1 decade ago
Graphite is slippery in nature and also pencil impurities also slippery in nature, so we are using this graphite in pencil.

Rana Sabtain said:   8 years ago
As pencil is slippery in touch and the graphite is also slippery in touch. Also, pencil is black in colour as graphite is.

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.


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