JAMB Chemistry 2009 Objective — Question 14
Question 14 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2009 Objective paper, with the correct answer and a full explanation.
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The process by which a compound loses its water of crystallization to the atmosphere is known as
- A. deliquescence
- B. efflorescenceCorrect
- C. hygroscopy
- D. effervescence
Explanation
The process by which a compound loses its water of crystallization to the atmosphere is known as efflorescence. Examples of efflorescent compounds are Na2CO3.10H2O, CaCl2.2H2O, MgSO4.7H2O etc.
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