WAEC Physics 2015 Objective — Question 17
Question 17 of 50 from the West African Examinations Council (WAEC) Physics 2015 Objective paper, with the correct answer and a full explanation.
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Water is unsuitable for use as a thermometric liquid because it
- A. expands unevenly between 0°C and 4°CCorrect
- B. has a narrow temperature range
- C. has a concave meniscus
- D. maintains a fixed density
Explanation
Water contracts (rather than expands) between 0°C and 4°C, an anomalous, uneven expansion which makes it unsuitable as a thermometric liquid.
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