Question

Account for the following:
a. For any substance, why does the temperature remain constant during the change of state?
b. A drop of ink placed on the surface of water contained in a beaker spreads throughout the water.
c. Liquids generally have lower density as compared to solids. But you must have observed that ice floats on
water.​

Answer 1

Answer:

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Answer 2

Ans a) For any the substance the temperature remains constant while changing the state ,

because at that time the the heat energy (latient heat ) is used to break the intermolecular bonds of the substance

And b) A drop of ink when placed in water spreads thought the beaker as due to diffusion

And c) Due to presence of some air cavities the air fills in them which makes the density of water lower than that of water .