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Card 26

Front

What is nitrogen oxides?

Back

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Card 27

Front

What is carbon monoxide?

Back

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Card 28

Front

What is sulfur dioxide?

Back

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Card 29

Front

What is the reaction of a catalytic convertor?

Back

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Card 30

Front

What is a catalyst?

Back

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Card 31

Front

What is a catalytic convertor?

Back

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Card 32

Front

What are some properties of perfume?

Back

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Card 33

Front

What components are paints made up of?

Back

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Card 34

Front

What is a colloid?

Back

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Card 35

Front

What are thermochromic pigments?

Back

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