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Card 16

Front

Why are the forces between low density polythene (LDPE) monomers weak?

Back

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Card 17

Front

Why is HDPE stronger?

Back

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Card 18

Front

What is crystallinity? Where is it found? Waht is the effect of it?

Back

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Card 19

Front

What are plasticisers? How are they used?

Back

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Card 20

Front

What is the difference between a thermoplastic and a thermosetting plastic, in terms of how they react when heated?

Back

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Card 21

Front

What is cross linking?

Back

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Card 22

Front

How do nanoparticles occur? Give 3 ways.

Back

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Card 23

Front

How big is a nanometre in comparison to a millimetre?

Back

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Card 24

Front

What makes some nanoparticles good catalysts?

Back

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Card 25

Front

What are silver nanoparticles used for?

Back

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