More cards in this set

Card 36

Front

What are the ways of preventing rusting?

Back

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Card 37

Front

What are some uses of water?

Back

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Card 38

Front

What are the two chemical tests for water?

Back

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Card 39

Front

What do river waters contain?

Back

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Card 40

Front

What do microbes in water cause?

Back

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Card 41

Front

How is clean water provided?

Back

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Card 42

Front

What can be added to water? For what?

Back

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