Aim:
To separate salt from salt water.
What you need?
Salt, water, beaker, glass rod, tripod Stand, Bunsen burner, wire guage.
What to do?
1. Heat some salt water in a beaker, over a flame.
2. Stir the solution with a glass rod.
3. Continue heating till all the water in the beaker has evaporated.
What do you see?
Crystals of salt remain in the beaker.
What do you learn?
Salt can be separated from salt water by heating (Crystallization). Some dissolved substances can be separated from the liquids by heating. On heating water evaporates and dissolved substances will form their crystals. This method of separation is called Crystallization.
