WAEC Physics 2012 Objective — Question 1
Question 1 of 50 from the West African Examinations Council (WAEC) Physics 2012 Objective paper, with the correct answer and a full explanation.
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Which of the following statements is not correct?
- A. A. Molecules of ice, water and water vapour have equal intermolecular distancesCorrect
- B. B. Molecules of ice, water and water vapour do not differ in the structure of their molecules
- C. C. Molecules of water vapour attract each other with forces far less than the forces of attraction between water molecules
- D. D. Water is less compressible than water vapour
Explanation
The intermolecular distance of any matter increases as it changes from solid to liquid to gas. Ice, water and water vapour are in different states (solid, liquid and gas) and their intermolecular distances are not the same.
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