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

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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