More cards in this set

Card 16

Front

Bacterial action produces mainly which gas?

Back

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Card 17

Front

Which is the resident time of No and No2?

Back

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Card 18

Front

Which reaction converts No to HNO3?

Back

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Card 19

Front

What is the main natural source of sulphur oxides?

Back

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Card 20

Front

What percentage of sulphur is found in coal?

Back

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Card 21

Front

Which kind of fields produce large amounts of hydocarbons?

Back

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Card 22

Front

What is the mean residence time of methane?

Back

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