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Chemistry µGCSE:

Addition Polymers

10 quick questions - for GCSE and iGCSE

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10 minutes maximum! (can you do it in 5?)  
1. A long chain molecule made by joining many small units together is called a ..
  • A.  monomer
  • B.  polymer
  • C.  wax
  • D.  giant structure
2. The small molecules which join together to produce a long chain molecule are called …
  • A. monomers
  • B. polymers
  • C. alkanes
  • D. isomers

3. The name of the polymer formed when butene is polymerized is ..

  • A.  butane
  • B.  butanoic acid
  • C.  poly(butane)
  • D.  poly(butene)
4. In addition polymerization the monomer MUST contain …
  • A.  a double C=C bond
  • B.  two functional groups
  • C.  only carbon atoms
  • D.  a CH3 group

5. Propene has the structure:

propene structure

The repeat unit of the polymer formed by the polymerization of propene is:

 

4 polymer units

Q6-7: Ethene can be used to produce the polymer poly(ethene).

 

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6. Ethene is produced by splitting long chain hydrocarbons into shorter chain hydrocarbons. The name of this process used to produce ethene is …
  • A.   fractional distillation
  • B.   cracking
  • C.   oxidation
  • D.   polymerization

7. Which of the following is correct about the effect of these compounds on bromine water?

  Ethene Poly(ethene)
A Decolorizes Decolorizes
B Decolorizes Remains orange
C Remains orange Decolorizes
D Remains orange Remains orange
8. Which of the following is false about most addition polymers?
  • A.  They are inert
  • B.   They are not biodegradable
  • C.   They are easy to dispose of
  • D.   They produce toxic gases on burning

9. The formula of one particular addition polymer is:

PVC formula

 

The name of this polymer and the formula of the monomer used to produce it is ..

  Polymer name Monomer formula
A Poly(chloroethene) CH2=CHCl
B Poly(chloroethene) CH3CH2Cl
C Poly(chloroethane) CH2=CHCl
D Poly(chloroethane) CH3CH2Cl
10. Addition polymers have a low melting point because they have a..
  • A.   giant structure with little energy needed to break the covalent bonds
  • B.   giant structure with little energy is needed to break the intermolecular forces
  • C.   small molecular structure with little energy needed to break the covalent bonds
  • D.   small molecular structure with little energy needed to break the intermolecular forces