The chemicals used to soften hard water involves the addition of

Chemistry JAMB 2012

The chemicals used to soften hard water involves the addition of

  • insoluble sodium compounds which from soluble solutions of calcium and magesium
  • solube soudium compounds which from soluble solutions of calcium and magnesium ions
  • solube sodium compounds which from insoluble precipitates of calcium and magnesium ions checkmark
  • insoluble precipitates of calcium and magnesium ions

The correct answer is: C

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