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Tuesday, 21 April 2026
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Permanent hardness of water can be removed by ____________

Permanent hardness of water can be removed by ____________
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Adding caustic soda
  • B Boiling
  • C Filtration
  • D Adding slaked lime
Correct Answer: Option A
Explanation:

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