WAEC Physics 2016 Objective — Question 22
Question 22 of 50 from the West African Examinations Council (WAEC) Physics 2016 Objective paper, with the correct answer and a full explanation.
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Which of the following statements is correct about the effect of dissolved salt on the freezing point of water?
- A. The freezing point is loweredCorrect
- B. The freezing point is increased
- C. There is no change in the freezing point
- D. The change in the freezing point depends on the temperature of the surrounding
Explanation
Under normal conditions, water freezes at 0°C or 32°F; the addition of salt causes the freezing point to become lower.
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