SELECT * FROM question_mgmt as q WHERE id=3946 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=180 and ex_no='5' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Matter in Our Surroundings why is ice at 273 k more effective in cooling than

Question:

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

Answer:

While melting ice absorbs latent heat of melting from the surroundings and gets changed into water that makes the cooling effect more intense as compared to water at same temperature.

Note: Latent heat: Energy absorbed or released by a substance during a change in its physical state that occurs without changing its temperature.


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