General Knowledge - General Science - Discussion
Discussion Forum : General Science - Elements and Metals (Q.No. 4)
4.
Which of the following is used in pencils?
Discussion:
121 comments Page 11 of 13.
RUPACE SHAH said:
1 decade ago
Its a non metal but good conductor of electricity and it is made of triple bond and three dimensonal.
Parish mishra said:
1 decade ago
Graphite structure is hexagonal and it is build in layer which can slip in surface so it is used for pencil.
Vinanthi said:
1 decade ago
Graphite is mixed with clay powder to make it hard. Only colour pencils contains lead not normal.
Neelam Saxena said:
1 decade ago
Yes graphite is used in pencil.
Panda said:
1 decade ago
graphite is not insulator
Sujit said:
1 decade ago
It's also included carbon element.
Yadu said:
1 decade ago
Why charcol, silicon are not used?
S.v. prasad said:
1 decade ago
Yes pencil made from Graphite. Many thought that it was made by led. Because we called it as pencil lead.
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.
Sivachandran said:
1 decade ago
Ya graphite is good conductor as well as it is used in pencil.
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