Post-UTME Chemistry 2016 Objective — Question 17
Question 17 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2016 Objective paper, with the correct answer and a full explanation.
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Which impurity in sodium chloride causes it to be deliquescent?
- A. Calcium chloride
- B. Iron (III) chloride
- C. Magnesium chlorideCorrect
- D. Phosphorus (V) oxide
Explanation
Magnesium chloride, a common impurity in crude sodium chloride, is deliquescent and causes the salt to absorb moisture and become damp.
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