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Card 6

Front

How do we obtain most metals?

Back

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Card 7

Front

What are ceramics?

Back

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Card 8

Front

Where are natural materials obtained from?

Back

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Card 9

Front

Name three natural materials.

Back

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Card 10

Front

Which raw material is used in the manufacture of synthetic rubber?

Back

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Card 11

Front

What is a polymer?

Back

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Card 12

Front

Name the compound formed by the polymerisation of ethene molecules.

Back

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Card 13

Front

Give two uses of PVC.

Back

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Card 14

Front

Explain why cross-linking agents are sometimes added to polymers.

Back

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Card 15

Front

Explain why plasticizers are sometimes added to polymers.

Back

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