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Thursday, 23 April 2026
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Which of the following methods can be used to remove temporary hardness from water?

Which of the following methods can be used to remove temporary hardness from water?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Boiling
  • B Filtration
  • C Sedimentation
  • D Chlorination
Correct Answer: Option A
Explanation:
Temporary hardness in water can be removed by boiling. When water is boiled, the calcium and magnesium bicarbonates decompose, forming insoluble calcium carbonate (CaCO3) and magnesium carbonate (MgCO3), which precipitate out of the water.

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