Detergents

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

Clues

  • What does dry cleaning use to clean stains? (8)
  • What does hydrophilic mean? (9, 2, 5)
  • What does hydrophobic mean? (8, 2, 5)
  • What does the hydrophobic part form strong intermolecular bonds with? (3, 3, 3)
  • What is a detergent made up of? (11, 5)
  • What is the 'head' of a detergent? (11)
  • What is the 'tail' of a detergent? (11)
  • Why does the detergent surround oil in fabrics? (2, 3, 3, 2, 4, 6)

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