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Card 6

Front

2 pros and 2 cons to hard water

Back

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Card 7

Front

what makes a water temporarily hard

Back

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Card 8

Front

what makes a water permanently hard

Back

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Card 9

Front

what method is used to remove temporary hardness

Back

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Card 10

Front

equation for it?

Back

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Card 11

Front

what 2 methods can be used to remove temporary and permanent hardess

Back

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Card 12

Front

what happens to washing powder made from sodium carbonate

Back

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Card 13

Front

what happens in an ion exchange column

Back

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Card 14

Front

why is silver present in an ion exchange column

Back

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Card 15

Front

what does less soap mean

Back

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