Why do we sip very hot tea from a saucer instead of cup ? (a) Define matter. Name the state of matter in which the force between the constituent particles are : (i) Strongest (ii) Weakest (b) Give reasons for the following: (i) A liquid generally flows easily (ii) Ice at 0°C appear colder to the mouth than water at 0°C. Why? (iii) Doctors advise to put strips of wet cloth on the forehead of a person suffering from high temperature. Why?
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Answer:
Because saucer has comparatively more surface area than the cup thus leading the tea to get easy drinking in less time.
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talking about matter ; matter is every thing that occupies space and has weight .
1) solid
2) gases
b) 1) liquid flows easily due to lesser force of attraction between the particles
3) Less intermolecular space in the water leads it flowing easily through the mouth rather than ice which is in solid form .
- 3) wet strip of cloth disperses water into the warm surface of our body / head due to fever and condenses it in the form of sweat thus providing coolness to body
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Because it’s famous
Explanation:
Mater is physical substance
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