NCERT Exercises - Q7 - Matter in Our Surroundings
Question: Why is ice at 273 K more effective in cooling than water at the same temperature?
Answer: Ice at 273 K is more effective in cooling because it absorbs additional heat energy equal to the latent heat of fusion (3.34 × 10⁵ J/kg) from the surroundings to melt into liquid water, whereas wat...
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