Hard and soft water

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

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 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)
  • 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 »