McqMate
| Q. |
Lead pencil contains - |
| A. | Lead nitrate |
| B. | Graphite |
| C. | Lead peroxide |
| D. | Lead Sulphate |
| Answer» B. Graphite | |
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Explanation: Most pencil cores are made of graphite mixed with a clay binder which leaves grey or black marks that can be easily erased. |
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