Chemistry

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

Clues

  • Carbon dioxide, methane and water vapour are examples of what? (10, 5)
  • Glass is made by heating limestone with sand and what else? (6, 9)
  • I am a gas. I am a product of incomplete combustion, I am colourless, odourless, toxic and can reduce the oxygen carrying ability of red blood cells. What am I? (6, 8)
  • If water is added to calcium oxide, what is formed? (7, 9)
  • Marble, chalk and limestone are natural forms of what? (7, 9)
  • Most polymers persist in landfill sites because they are not... (13)
  • What gas did the earth's early atmosphere mainly contain? (6, 7)
  • What gas dissolves in rainwater to form acid rain? (6, 7)
  • What process released oxygen, forming our atmosphere today? (14)
  • What term is used to describe a process that does not add carbon to the atmosphere because amount released is equal to amount removed? (6, 7)

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