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Chemistry - Polymers (Aqa)
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Q.1
Cracking fractions of crude oil produces smaller alkane molecules and alkenes. Which of the following is an alkene?
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C4H8
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C22H44
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C6H12
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C10H22
Q.2
Why are alkenes so useful as monomers?
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Because alkenes contain only double bonds
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Because alkenes contain only single bonds
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Because alkenes contain at least one oxygen atom
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Because alkenes contain at least one double bond between carbon atoms
Q.3
How is a double bond represented?
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**
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--
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=
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oxo
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?
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Monomers
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Minimers
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Monomols
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Minimols
Q.6
What monomer is used to make poly(propene)?
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Ethene
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Propene
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Propane
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Butane
Q.7
Which of the following is a use for polymers?
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Waterproof coatings for fabrics
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Fillings for teeth
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Dressings for wounds
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All of the above
Q.8
Which of the following is an advantage of polymers?
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Polymers are not usually biodegradeable
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Polymers are light
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Polymers are often flexible
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Colour can be built into a polymer when it is made
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?
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Putting them into the bin
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Recycling them
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Burning them
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Burying them
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