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More cards in this set
Card 6
Front
What is scale?
Back
Card 7
Front
What 2 ways can soften water?
Back
Card 8
Front
Describe what happens when you add sodium carbonate to hard water.
Back
Card 9
Front
Describe what happens when you use an ion exchange column to soften water.
Back
Card 10
Front
What should water be like, for humans to safely drink it?
Back
Card 11
Front
What do water filters containing carbon, silver and ion exchange resins do?
Back
Card 12
Front
Why may chlorine be added to water?
Back
Card 13
Front
Why may flouride be added to water?
Back
Card 14
Front
How can pure water be produced? and what is the drawback of doing this?
Back
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