Hardness of water is mainly due to the presence of
CHEMISTRY
JAMB 2011
Hardness of water is mainly due to the presence of
- A) calcium hydroxide or magnesium hydroxide
- B) calcium trioxocarbonate (IV) or calcium tetraoxosulphate (VI)
- C) sodium hydroxide or magnesium ydroxide
- D) calcium chloride or sodium chloride salts
Correct Answer: B) calcium trioxocarbonate (IV) or calcium tetraoxosulphate (VI)
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