Hard and soft water

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

Clues

  • __ hard water remains __ upon boiling? (9, 4)
  • Commercial water softener a contain an __? (3, 8, 6)
  • Hard water can __ strength of bones and teeth? (8)
  • Hard water can lead to __ risk of heart disease? (7)
  • Hard water does not form a __ with soap easily so more soap is required which is __? (6, 9)
  • Hydrogencarbonate ions __ upon heating to product __ ions? (9, 9)
  • Temporary hard water builds up __ inside kettles and heating systems which reduces their __? (5, 10)
  • Temporary hard water contains __ ions? (17)
  • The column supplies __ or __ ions? (8, 6)
  • These carbonate ions react with magnesium/calcium ions to form a __? (11)

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