C3.2.1 Hard and Soft Water

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

Clues

  • A piece of equipment that softens water (3, 8, 6)
  • Contains Calcium and magnesium ions (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)
  • This reaction (2HCO3 - CO3 + H2O) happens when temporary hard water is boiled. What's the scientific name? (7, 13)

Comments

No comments have yet been made

Similar Chemistry resources:

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