JAMB Chemistry 2008 Objective — Question 2
Question 2 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2008 Objective paper, with the correct answer and a full explanation.
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In countries where the temperature falls below 273K, salt is always sprinkled on the icy roads in order to
- A. lower the melting point of the iceCorrect
- B. increase the density of the ice
- C. make the ice impure
- D. raise the melting point of the ice
Explanation
The purpose is to lower the melting point of ice so that the ice can still melt despite the fact that it is at a temperature less than 0C.
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