short answer questions

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PLASTICS REVISION TEST QUESTIONS
Circle ONE option that best answers the question.
1.
a.
b.
c.
d.
The word plastic means:
chemical
able to be moulded
thin air
all of the above
2.
a.
b.
c.
d.
A monomer is a
single man
small molecule which repeats to form a polymer.
substance that can be easily moulded.
a substance that speeds up a chemical reaction.
Circle T if you think the statement is true and F if you think it is false.
1.
2.
3.
4.
5.
6.
7.
8.
A co-polymer is made from two different types of monomers.
Polymerisation is the joining of monomers to make a polymer.
Plastic Identification codes are useful for recycling
Thermoplastic polymers char when heated.
The word monomer means many parts.
All types of plastics can be recycled.
Thermoplastic polymers have many crosslinks.
There are seven groups in the plastics identification code.
T/F
T/F
T/F
T/F
T/F
T/F
T/F
T/F
SHORT ANSWER QUESTIONS
1. a. What is a crosslink?
b. How do crosslinks affect the strength and flexibility of a plastic:
2. List three different environmental problems associated with plastics.
3. List 3 uses of recycled plastics.
4. Describe 3 things householders can do to assist in the recycling of plastics.
5. Explain the difference between thermosetting and thermoplastic polymers including a comment about the difference
in their melting temperatures. You must include a labeled diagram to assist in explaining your answer. Comment on
their respective melting temperatures.
6. Name the polymers formed from the following monomers:
a) vinyl chloride
b) propene
7. Name the monomers that formed the following polymers:
a) polyethene
b) polystyrene
8. List three advantages and three disadvantages of recycling plastics.
9.
Natural Fibre
Where it comes from
What is it used for?
1.
2.
3.
Synthetic Material
1.
What is it used for?
2.
3.
10. List 7 different materials and their properties.
I.e Nylon (material) is flexible (property)
11. What do the numbers below represent?
Using the internet find 6 products that are made from recycled plastic items (List both the original item and the recycled product).
Type of Plastic
Original plastic item
Recycled Product
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