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

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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