1. Water Quality

2. Water Quality
Anything added to water can change its quality or function.
Amount of change depends on the amount of the substance in water
Changes include:
Unpleasant flavor
Color
Changes in boiling point
Changes in freezing point
B Water Quality

3. Substances commonly in water
Minerals
Salt
Sugar
B Water Quality 3

4. Effect of Minerals on Water
Minerals in water
Hard water – high mineral content
Soft water – low mineral content
Minerals include:
Calcium
Magnesium in the form of carbonates but may include bicarbonates and sulfates
Affects:
Flavor
Color
B Effect of Substances on Water Quality

5. Effect of Salt and Sugar on Water
Increasing salt or sugar increases waters boiling point
Jelly making
Candy
Decreasing salt or sugar decreases the freezing point
Ice cream
Cooling foods
B Water Quality