GCSE - Gcse Science - Chemistry - Polymers (Aqa) Solution

Q.1.

Cracking fractions of crude oil produces smaller alkane molecules and alkenes. Which of the following is an alkene?

Q.2.

Why are alkenes so useful as monomers?

Q.3.

How is a double bond represented?

Q.4.

How are polymers made from alkenes?

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Polymers are one of the main products made by cracking crude oil
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Polymers are made by adding lots of smaller molecules together in a long chain
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Polymers are made by carrying out ordinary distillation on crude oil instead of fractional distillation
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Polymers are made by using enzymes

Q.5.

What do scientists call the small molecules that are joined together to make polymers?

Q.6.

What monomer is used to make poly(propene)?

Q.7.

Which of the following is a use for polymers?

Q.8.

Which of the following is an advantage of polymers?

Q.9.

How are scientists trying to make products made with polymers biodegradeable?

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They are developing ways of chemically treating plastics as they go into landfill sites
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They are developing methods of burning plastics that don't pollute the air
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There is nothing that can be done to solve the problem
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They are developing plastics that contain cornstarch as well as polymers

Q.10.

What is the most environmentally friendly way to dispose of your used plastic items?