JAMB Chemistry 2013 Objective — Question 2

Question 2 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2013 Objective paper, with the correct answer and a full explanation.

The presence of an impurity in a substance will cause the melting point to

A. increase
B. be stable
C. be zero
D. reduceCorrect

Explanation

The presence of impurity causes the boiling point of a liquid to increase and the melting point of a solid to decrease.

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