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Card 6

Front

How does temporary hardness arise in water?

Back

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Card 7

Front

Removing temporary hardness...

Back

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Card 8

Front

Removing permanent hardness (1)...

Back

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Card 9

Front

Removing permanent hardness (2)...

Back

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Card 10

Front

Advantages of hard water...

Back

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Card 11

Front

Disadvantages of hard water...

Back

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Card 12

Front

Reaction of substances with moist air

Back

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Card 13

Front

What is a desiccant?

Back

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Card 14

Front

What is a deliquescent?

Back

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Card 15

Front

In some areas fluoride ions are added to water as it helps tooth decay, why are some against this?

Back

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