What is the important role of a condenser in the distillation of a salt solution?
It cools the water vapour.
It changes the water vapour into liquid.
It changes the water vapour into solid.
It increases the temperature of the solution.
The correct option is A It cools the water vapour. The condenser is an inclined tube which is made up of glass. When the water vapour passes through the inclined tube, it gets cooled due to the surrounding cold water and condenses to form water vapour.