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Card 16

Front

What is the general formula for alkanes? CnHn+2 CnH2n+2 CnH2n

Back

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Card 17

Front

What is the general formula for alkanes? CnHn+2 CnH2n+2 CnH2n

Back

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Card 18

Front

Which gas is not formed by the combustion of hydrocarbons? Oxygen Water vapour Carbon dioxide

Back

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Card 19

Front

Which of these gases is mainly responsible for acid rain? Carbon monoxide Methane Sulfur dioxide

Back

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Card 20

Front

What is caused by the release of carbon dioxide into the atmosphere? Global dimming Global warming Ozone depletion

Back

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Card 21

Front

What causes global dimming? The Sun releasing less energy The Earth moving away from the Sun Particles from burning fuels being released

Back

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