Name the operation (shown in the figure) involved during the purification of water which is used for preparing solutions for medicinal purposes.
Distillation
The process of converting a liquid into vapour by heating and the subsequent condensation of the vapour, back into a liquid is called distillation. This method is used to remove dissolved impurities from water. The water obtained after distillation is called distilled water. It is the purest form of water.
Distilled water is used:
1. For preparing solutions for medicinal purposes.
2. For experiments in the laboratory.
3. For car batteries.