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

Chemistry
JAMB 1978

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

  • A. Na2CO3.10H2O
  • B. NaNO3
  • C. CuSO4
  • D. CaCl2
  • E. Na2SO4.10H2O
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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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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Join your school's WhatsApp group
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Join your school's WhatsApp group
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts