McqMate
| Q. |
The material used in the manufacture of lead pencil is – |
| A. | Graphite |
| B. | Lead |
| C. | Carbon |
| D. | Mica |
| Answer» A. Graphite | |
|
Explanation: Pencils create marks via physical abrasion, leaving behind a trail of solid core material that adheres to a sheet of paper or other surface. They are noticeably distinct from pens, which dispense liquid or gel ink that stain the light colour of the paper. Most pencil cores are made of graphite mixed with a clay binder, leaving grey or black marks that can be easily erased. |
|
View all MCQs in
ChemistryNo comments yet