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▶️10.
➡️a)Particles of potassium permanganate spread easily in water kept at room temperature but not in very cold water because the water in room temperature is warmer than the cold water which increases the kinetic energy of the particles of water which then helps to spread the particles quickly and easily.
➡️b)It is difficult to cut the stream of water as there is force of attraction between the particles of water which helps it to keep flowing together in a stream.
▶️11.The temperature of ice doesn't change when ice melts to form water as it hides in the latent heat of fusion.
▶️12.The heat energy that is utilised in overcoming the attraction between the particles of ice is 3.34*10^5 Joules per Kilogram.
▶️13.The physical state of water at
a)-5°C- Ice (Solid)
b)0°C- Can be both (solid) and (liquid)
c)25°C-Water(Liquid)
d)100°C-Can be both (liquid) and (gas)
e)12°C-Water(Liquid)
___________________________________
Hope it helps.
Thanks for the question.
here is your answer...
___________________________________
▶️10.
➡️a)Particles of potassium permanganate spread easily in water kept at room temperature but not in very cold water because the water in room temperature is warmer than the cold water which increases the kinetic energy of the particles of water which then helps to spread the particles quickly and easily.
➡️b)It is difficult to cut the stream of water as there is force of attraction between the particles of water which helps it to keep flowing together in a stream.
▶️11.The temperature of ice doesn't change when ice melts to form water as it hides in the latent heat of fusion.
▶️12.The heat energy that is utilised in overcoming the attraction between the particles of ice is 3.34*10^5 Joules per Kilogram.
▶️13.The physical state of water at
a)-5°C- Ice (Solid)
b)0°C- Can be both (solid) and (liquid)
c)25°C-Water(Liquid)
d)100°C-Can be both (liquid) and (gas)
e)12°C-Water(Liquid)
___________________________________
Hope it helps.
Thanks for the question.
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