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Why Does Our Palm Feel Cold When We Put Some Acetone Or Petrol Or Perfume on It? - CBSE Class 9 - Science

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Question

Why does our palm feel cold when we put some acetone or petrol or perfume on it?

Solution

When we put some acetone or petrol or perfume on our palm, it evaporates. During evaporation, particles of the liquid absorb energy from the surrounding or the surface of the palm to compensate for the loss of energy, making the surroundings cool. Hence, our palm feels cold when we put some acetone or petrol or perfume on it.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 9 (2018 to Current)
Chapter 1: Matter in Our Surroundings
Q: 3 | Page no. 10
Solution Why Does Our Palm Feel Cold When We Put Some Acetone Or Petrol Or Perfume on It? Concept: Evaporation - How Does Evaporation Cause Cooling.
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