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

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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