Hard and soft water

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

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 contains __ and __ ions? (9, 3, 6)
  • 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)

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Water hardness and solubility resources »