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Which of the following compounds dissolves in water to form a solution with pH below 7?

Which of the following compounds dissolves in water to form a solution with pH below 7?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Sodium tetraoxosulphate (VI)
  • B Potassium hydroxide
  • C Ammonium chloride
  • D Sodium trioxocarbonate (IV)
Correct Answer: Option C
Explanation:

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