alleryWater sticks to glass, but mercury does not:
ACool the glass
BCoat the glass
CWarm the glass
DWet the glass
Answer & Solution
Correct answer: D. Wet the glass
1. Water spreads on glass because it is drawn to it strongly.
2. Mercury is drawn far more strongly to itself.
3. So mercury does not wet glass.
_Source: syllabus Physics Part II, Chapter 10, Mechanical Properties of Fluids._
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