More cards in this set

Card 6

Front

Method used to remove organic chemicals such pesticides.

Back

Preview of the front of card 6

Card 7

Front

Method where water is sterilised by killing pathogens using chlorine, ozone or exposure to UV light.

Back

Preview of the front of card 7

Card 8

Front

Method used to improve dental health.

Back

Preview of the front of card 8

Card 9

Front

Method of filtering saline water at very high pressures.

Back

Preview of the front of card 9

Card 10

Front

Method where water is boiled by heating and reducing the pressure.

Back

Preview of the front of card 10