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Card 6

Front

Give two factors which affects the physical properties of a polymer.

Back

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Card 7

Front

List four uses of polymers.

Back

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Card 8

Front

Why might poolymers be more expensive in the future?

Back

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Card 9

Front

Why do some oils need to be distilled after they have been extracted?

Back

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Card 10

Front

List two advantages of cooking with oil.

Back

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Card 11

Front

What kind of carbon-carbon bond do saturated oils contain?

Back

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Card 12

Front

What happens when you react unsaturated oils with hydrogen?

Back

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Card 13

Front

What is an emulsion? Give an example.

Back

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Card 14

Front

How do emulsifiers keep emulsions stable ?

Back

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Card 15

Front

Suggest one problem with adding emulsifiers to food.

Back

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