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

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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