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Tuesday, 07 April 2026
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Which of the following is used as water softener?

Which of the following is used as water softener?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Na2CO3.10H2O
  • B CuSO4. 5H2O
  • C MgSO4. 7H2O
  • D CaCI2.2H2O
  • E Na2SO4. 10H2O
Correct Answer: Option A
Explanation:

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