More cards in this set

Card 6

Front

Describe the two methods of water softening

Back

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Card 7

Front

What's in a filter jug cartridge?

Back

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Card 8

Front

What is pure water? Why is it not used domestically?

Back

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Card 9

Front

Name the stages of water treatment

Back

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Card 10

Front

Why is fluorine and chlorine added to water? Why is this a problem?

Back

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Card 11

Front

How do we test the hardness of water?

Back

Preview of the front of card 11