Question

Ann dissolves four tablespoons of salt in a bowl of water. She notices that the water has become salty. Ann then keeps the bowl out in the Sun for a long time. The water in the bowl evaporates, leaving crystals of salt behind in the bowl. What kinds of change(s) have happened?

Answer 1

Answer:

A physical change has happened due to the water evaporating and becoming vapour, leaving behind the dissolved salt crystals.