Polymers

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What is a polymer?
A substance made from very large molecules with repeating units
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what is Ethene?
Ethene is the smallest unsaturated hydrocarbon molecule.
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What reaction changes double bond Carbon to single bond?
Polymerisation
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Name one thing polymers have been used for?
Light sensitive plasters or stitches.
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What is a Hyrdogel?
Hydrogel is a polymer with few chains which makes a matrix that can trap water.
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what is an emulsion?
An emulsion is a mixture of liquids that don't dissolve into each other.
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How do emulsifiers work?
Emulsifiers connect to water and oil then they split the oil droplets and water apart to stop them splitting.
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Other cards in this set

Card 2

Front

what is Ethene?

Back

Ethene is the smallest unsaturated hydrocarbon molecule.

Card 3

Front

What reaction changes double bond Carbon to single bond?

Back

Preview of the front of card 3

Card 4

Front

Name one thing polymers have been used for?

Back

Preview of the front of card 4

Card 5

Front

What is a Hyrdogel?

Back

Preview of the front of card 5
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