Question

Why we feel cool when we apply nail polish remover on our nails ?

Afetr a hot sunny day , poeople sprinkle water on the roof or open ground. Why ?

Answer 1

Nail polish is a volatile liquid. It evaporates and absorbs latent heat of vaporization thus our hands feel cool.
People sprinkle water on the roof because it absorbs latent heat of vaporization and evaporates.

Answer 2

Here is your answer
______________________

✔During the hot summer ,

water evaporates by absorbing heat from the ground and the surrounding Air. By losing heat, the ground becomes cool and people feel comfortable .

_____________________________

✔ The reason being that the energy needed for evaporation is taken from the nails. And then by losing heat , our nails feels cool on applying nail polish remover or acetone.

______________________

Hope this helps you.......