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Chemistry IX B, C

1.Why is ice at 273 K more effective in cooling than water at the same temperature?

2.What are the characteristics of particles of matter?

3.Liquids generally have lower density as compared to solids.But you must have observed that ice floats on water.Why?

4.For any substance why does the temperature remain constant during the change of state?

 

Ms Saritha.R.S

Date of submission: 26/06/2013


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