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Card 6
Front
What does soft water form with soap?
Back
Card 7
Front
Why does hard water contain calcium and magnesium compounds?
Back
Card 8
Front
What will hard water form with soap?
Back
Card 9
Front
What does temporary hard water contain? How is it softened?
Back
Card 10
Front
Give an advantage of hard water.
Back
Card 11
Front
Give a disadvantage of hard water.
Back
Card 12
Front
The insoluble calcium carbonate forms a layer...
Back
Card 13
Front
What do you need to do to make hard water become soft?
Back
Card 14
Front
What does adding sodium carbonate solution do to hard water and how?
Back
Card 15
Front
What will hydrogen or sodium ions do to hard water?
Back
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