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

Clues

  • acids contain (8)
  • blue litmus paper turns red then white (8)
  • breaking down a compound using direct current (12)
  • brine (4, 5)
  • carbonate/ oxide/ hyrdoxide (5, 5)
  • H2SO4 (9, 4)
  • helps kill bacteria (12, 4)
  • ion (7, 4)
  • soulble base (6)
  • sulphur dioxide (5, 8)

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