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Card 6
Front
What causes hard water?
Back
Card 7
Front
Name the two types of hardness
Back
Card 8
Front
What are the benefits of hard water?
Back
Card 9
Front
What is temporary hardness caused by?
Back
Card 10
Front
What is permanent hardness caused by?
Back
Card 11
Front
How do you remove temporary hardness?
Back
Card 12
Front
Why can't you get rid of permanent hardness by boiling?
Back
Card 13
Front
How can adding sodium carbonate remove both types of hardness?
Back
Card 14
Front
How can an ion exchange column remove both types of hardness?
Back
Card 15
Front
What is the equation for an ion exchange column with sodium ions?
Back
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