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Card 26

Front

How is nitrogen dioxide formed?

Back

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Card 27

Front

What is the effect of nitrogen oxides?

Back

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Card 28

Front

What ways can you reduce pollution from power stations?

Back

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Card 29

Front

What is wet scrubbing?

Back

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Card 30

Front

What two types of alkali can be used in wet scrubbing?

Back

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Card 31

Front

How can you reduce pollution from cars?

Back

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Card 32

Front

What do catalytic converters do?

Back

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Card 33

Front

What alternatives are there to fossil fuels?

Back

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