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

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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