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Card 16

Front

If an ionic substance contains the ionic substance bromide (br-) what colour will the precipitate go?

Back

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Card 17

Front

If an ionic substance contains the ionic substance iodide (I-) what colour will the precipitate go?

Back

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Card 18

Front

When sodium hydroxide is added to NH4+ ions ammonia gas is given off,how do you test for ammonia gas?

Back

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Card 19

Front

Why does water purity need to be carefully monitored?

Back

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Card 20

Front

Why does purity of water need to be carefully monitored?

Back

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Card 21

Front

How is the hardness of water checked?

Back

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Card 22

Front

How is the acidity of water checked

Back

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Card 23

Front

Simple ion tests can be carried out on the blood to check for a mineral defiency.A device called a flame themometre is used for flame tests

Back

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Card 24

Front

How is the mineral calcium tested for

Back

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Card 25

Front

What is the function of calcium?

Back

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