C3.2.1 Hard and Soft Water

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

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)
  • 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 »