C3.2.1 Hard and Soft Water

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

Clues

  • A piece of equipment that softens water (3, 8, 6)
  • Calcium and Magnesium ions for ppts when ____ softens hard water (6, 9)
  • Contains Calcium and magnesium ions (4, 5)
  • Contains Hydrogencarbonate ions (9, 4, 5)
  • Forms a lather (4, 5)
  • Our water is.... (4)
  • Our water isn't... (4)
  • Seawater is boiled and the vapours cooled to form pure water (12)

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