Chapter 8 Chemistry Revision

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

Clues

  • A redox reaction in which an element is oxidised and reduced. (18)
  • How does reactivity change down group 17? (9)
  • How does reactivity change down group 2? (9)
  • Is ammonia acid or alkaline? (8)
  • Name the gas priduced when a carbonate reacts with an acid. (6, 7)
  • Out of silver chloride, bromide and iodide, which is insoluble in concentrated ammonia? (6, 6)
  • What chemical is added to a solution when testing for sulphates? (6, 7)
  • What group 2 metal compound can be used to treat heatburn? (9, 9)
  • What is the product of a reaction between a group2 metal and oxygen? (5, 5)
  • Which ion produces a white precipitate when silver nitrate is added? (8)

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