Polymers

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U P P H N B E C G U O W S I
O K S T F D E Y B Q G V N Y
E E H R H O U O L N K U O J
S X I F Y S O O E B A G S V
I U G R U Y W K O H M J W Q
C Q H E I N Q W C I M H L E
E X X A Q H L W S U P Y W G
Q P U C N V T B V F M G S K
A Q U T N X A L J H U O R K
Q V W I B F T N K B L U S R
T S V O V T R P H K M D R L
J U D N U M E G U D U B R V
O P N H G D A B Y R W R C A
X B G G Q Q U A P I T E C H

Clues

  • HD polyethene is made by heating ethene at ____ temperatures and pressures (3)
  • LD polyethene is flexible and can be used for bottles or (4)
  • LD polythene is made by heating ethene under _______ pressure (4)
  • Starting materials and _______ conditions affect a polymers properties. (8)

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