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 4 of 13.
Gaurav Wankhade said:
1 decade ago
Pencil manufacturing. The top sequence shows the old method that required pieces of graphite to be cut to size; the lower sequence is the new, current method using rods of graphite and clay.
Jaspal dudi said:
1 decade ago
We write by the pencil on paper then pencil slide on paper than we write any sentence. It mains we need a sliding metal. Graphite is a sliding metal. So graphite is use in pencil.
Chith said:
1 decade ago
Graphite slides easily on any surface and has a loose carbon structure, so as for it being used in pencils, pencil lead has to be smooth and slide across the paper to write properly. Also, graphite is naturally a very dark grey, almost black colour. The same as pencil lead. Note: Just because we call pencil lead 'lead', it does not literally mean that it is made of lead; that's impossible.
Muhammad bello said:
1 decade ago
Soft graphite is use to make pencil lead.
Srinivas said:
1 decade ago
Graphite is the allotropes of carbon. It is black and soft.
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.
Rajendra kushawah said:
1 decade ago
Graphite is soft material, it is easily Sharp, graphite is semiconductor.
Choeyangtsomo said:
1 decade ago
Graphite is semiconductor.
Ramkrishna said:
1 decade ago
In old days our ancestors used a type of stone (graphite) to write with and by the help of it they could write anywhere easily. In nowadays it is modalised in the pencil.
Vaishnavi said:
1 decade ago
Graphite is non metal and brittle which breaks easily so it is used in pencils.
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