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Which of the following compounds will form a solution if exposed to air?

Which of the following compounds will form a solution if exposed to air?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Na2CO3.10H2O
  • B NaNO3
  • C CuSO4
  • D CaCl2
  • E Na2SO4.10H2O
Correct Answer: Option D
Explanation:
Calcium chloride is a deliquescent substance. It attracts water from the atmosphere and then forms a solution.

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