<

CHEMISTRY FROM 1

CHATER 4: WATER

Test for water

Water turns white anhydrous copper(II)sulphate blue.

  • Soft water: this is water that easily forms foams when soap or detergent applied
  • Hard water: this is water that does not easily foam with soap.
  • The hardness in water is caused by the presence of magnesium an calcium ions
par Claude Foumtum