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Card 6

Front

What are all substances made from?

Back

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Card 7

Front

What are molecules?

Back

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Card 8

Front

What do almost all chemical reactions involve?

Back

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Card 9

Front

Is mass lost during a chemical reaction?

Back

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Card 10

Front

What are many hydrocarbons?

Back

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Card 11

Front

What is the only difference between different fossil fuels?

Back

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Card 12

Front

What is oxidation?

Back

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Card 13

Front

What is reduction?

Back

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Card 14

Front

Where does the oxygen needed to burn hydrocarbons come from?

Back

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Card 15

Front

What are the three forms of carbon air pollution?

Back

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