Question

Uses of graphite aleast 5 points

Answer 1

The important uses of graphite are as follows.

1. The major use of graphite is in making lead pencils of different hardness, by mixing it with different proportions of clay. The weakly held layers of carbon atoms in graphite easily slide over each other and are left behind on paper as black marks.

2. Due to its slippery nature, graphite is used as a dry lubricant in machine parts.

3. Being resistant to chemicals and having a high melting point and also because it is a good conductor of heat, graphite is used to make crucibles.

4. The presence of free electrons makes graphite a good conductor of electricity and it is used to make electrodes.

5. Graphite has the ability to absorb fast-moving neutrons, thus, it is used in nuclear reactors to control the speed of the nuclear fission reaction.

Answer 2

1. The "lead" filling in pencils is in fact composed of a mixture of Graphite and clay

2. It  is a good conductor of electricity.

3.It is also used to make brake linings, lubricants, and molds in foundries.

4. A variety of other industrial uses account for the remaining graphite consumed each year.

5.Graphite's main function, however, is as a lubricant.