CHEMISTRY DEPARTMENT

WAID ACADEMY

Standard Grade

Topic 13

Most plastics are made from chemicals obtained from

1. Coal.

2. Plant material.

3. Natural gas.

4. Crude oil.

Coal

.

Pla

nt mat

eria

l.

Nat

ural g

as.

Cru

de oil.

0% 0%0%0%

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If a material is described as being biodegradable it can be 2525

bro

ken d

own by

bact..

.

softe

ned b

y hea

ting.

dis

pose

d of b

y bu

rnin

g.

eas

ily m

ould

ed in

to d

i...

0% 0%0%0%

1. broken down by bacteria in the soil and rot away.

2. softened by heating.

3. disposed of by burning.

4. easily moulded into different shapes.

The toxic gas formed when PVC is burned is

1. hydrogen cyanide.

2. sulphur dioxide.

3. hydrogen chloride.

4. carbon dioxide.

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hyd

rogen

cya

nide.

sulp

hur dio

xide

.

hyd

rogen

chl

orid

e.

car

bon dio

xide.

0% 0%0%0%

A thermoplastic is a plastic material which

1. burns without producing toxic fumes.

2. can be broken down by bacteria in the soil.

3. can be reshaped on heating.

4. does not soften on heating.

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burn

s w

ithout p

rodu...

can

be

broke

n down ..

can

be

resh

aped

on

...

does

not s

often

on h

e...

0% 0%0%0%

Electrical plugs and sockets are made from plastics which are

1. thermosetting plastics.

2. thermoplastic plastics.

3. biodegradable plastics.

4. made from PVC.

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ther

mose

tting p

last

ics.

ther

mopl

astic

pla

stic

s.

bio

degra

dable

pla

stic

s.

mad

e fro

m P

VC.

0% 0%0%0%

Plastics are made up of long chain molecules called

1. monomers

2. polymers

3. residues

4. fractions.

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mon

omer

s

poly

mer

s

resi

dues

frac

tions.

0% 0%0%0%

The process of joining many small molecules together to make a plastic is called.

1. Recycling.

2. Incineration.

3. Monomerisation.

4. Polymerisation.

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Rec

yclin

g.

Inci

nerat

ion.

Mono

mer

isat

ion.

Poly

mer

isat

ion.

0% 0%0%0%

The small molecules which are joined together to make plastics are called

1. Plastimers.

2. Monomers.

3. Elastomers.

4. Polymers.

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Pla

stim

ers.

Mono

mer

s.

Ela

stom

ers.

Poly

mer

s.

0% 0%0%0%

Which monomer is used to make the polymer chain shown below?

1. A

2. B

3. C

4. D.

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0% 0%0%0%

What would be formed when three of this monomer are joined?

1. A

2. B

3. C

4. D.

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0% 0%0%0%