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

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Final answer:

The cooling effect of evaporation from substances like acetone, petrol, or perfume causes our palms to feel cold. Friction generates heat, as evidenced by rubbing hands together to warm them up or briskly rubbing knuckles on a surface.


Explanation:

Our palm feels cold when acetone, petrol, or perfume is applied due to the cooling effect of evaporation. These substances evaporate quickly from our skin, causing rapid evaporation and subsequently, a drop in temperature on our skin surface.

Friction also generates heat, demonstrated when rubbing hands together warms them up. Similarly, rubbing knuckles on a surface swiftly can create unbearable heat due to the developed heat from friction.


Learn more about Cooling effect of evaporation and friction in relation to feeling cold on the skin here:

https://brainly.com/question/26075912


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