Which of the following statements is true about the use of graphite?
It is used as a lubricant.
It is used in the manufacture of pencils.
It is used in the production of steel.
All of the above.
Graphite is used as a lubricant due to its slippery nature. It is also used in the manufacture of pencils, where it is mixed with clay to form the lead. In addition, graphite is used in the production of steel, where it is added to the molten iron to act as a deoxidizer.