Chemistry

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

Clues

  • Are positve ions reduced or oxidised? (7)
  • How do you test for hydrogen? (7, 3)
  • What is an example of a metal less reactive than hydrogen? (6)
  • What is formed if the metal ions are more reactive than hydrogen? (8, 4)
  • What is formed when there are no halogen elements? (6)
  • What is the positive electrode? (5)
  • What should the electrodes be so they don't react with the electrolytes? (5)
  • What turns blue litmus paper white? (8)
  • Which electrode do positive ions go to? (7)

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