1

The diagrams below show the readings of the thermometers when the water and salt water in two separate beakers boil.

What conclusion can be made from the experiment?

    • The boiling point of water is 100°C.
    • When salt is added, the boiling point of water is decreased.
    • When salt is added, the boiling point of water is increased.
    • When an impurity is added, the boiling point of water is not affected.