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Why do we feel cold when a drop of petrol falls on our skin?

Why do we feel cold when a drop of petrol falls on our skin?

The answer is evaporative cooling. Turning a liquid such as sweat from its liquid state into a gas requires energy. This energy is taken from our body, or sweat, in the form of heat. The resulting heat transfer leads to the desired cooling effect.

Why do we feel cold when we keep acetone and ether on your palm?

So, when we keep acetone and ether on our palms, then these compounds take energy from the surrounding. Due to this energy from the surrounding, acetone and ether will start to vaporize and convert into gaseous form. When the vapors are formed there is a cooling sensation in our surroundings and our palm feels cold.

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Why does our palm feel cold when we?

During the Evaporation process, the particles of liquids absorb energy from the surface of the palm, as we all know that “Energy is neither created nor destroyed”, the loss of energy results in making the surroundings cool. So that our palms feel cold.

Why do we feel cold on touching ice?

We feel cold on touching ice because heat flows from our warm hands to cold ice. Due to this flow of heat from hand to ice, the temperature of our hand falls. This is why we feel cold.

What happens when acetone is poured on Palm?

Acetone is a volatile liquid. So it evaporates quickly at room temperature. So when acetone is put on our palm, it evaporates and our palm feels very cool as it absorbs energy from our palm when it evaporates.

Why do we feel cool when we touch a piece of ice class 9?

We feel cold when we touch an object or matter like ice at a lower temperature than our body temperature. This is because the heat from our body being higher in amount moves to the ice through our skin(by thermal conduction) in order to attain thermal equilibrium between the ice and the body.

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Why do we feel cold when we keep?

we feel cold when we keep acetone and enther on our palm becausethey absorb the latent heat for vaporization from our palm and evaporates which causes cooling. The particles gain energy from thepalm or the surrounding and evaporates causing the palm tofeel cold.

Why do we feel cool when we touch?

What happens when alcohol is put on your palm?

Explanation: Alcohol is a sublimable substance which boils off at a very low temperature. When we put alcohol in our palm , it aborbs the heat and evaporates and also disappears without any need of external heat.

Why do we feel cooling sensation when petrol is poured on Palm?

Acetone, petrol and perfume are low boiling liquids. When they’re poured on palm, they evaporate readily and for this change of state, they take the energy from our palm and we get a cooling sensation. Was this answer helpful?

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Why does our palm feel cold when we put something on it?

> Why does our palm feel cold… Why does our palm feel cold when we put some acetone or petrol or perfume on it? Acetone, petrol and perfume are low boiling liquids. When they’re poured on palm, they evaporate readily and for this change of state, they take the energy from our palm and we get a cooling sensation.

What happens when you put acetone or petrol on your palm?

When we put some acetone or petrol or perfume on our palm, it evaporates. During evaporation, particles of the liquid absorb energy from the surface of the palm to compensate for the loss of energy, making the surroundings cool. The acetone, petrol or perfume take this latent heat of vaporisation from our palm. The palm loses heat and feels cold.

Why do perfumes evaporate from palms?

During evaporation, particles of the liquid absorb energy from the surface of the palm to compensate for the loss of energy, making the surroundings cool. The acetone, petrol or perfume take this latent heat of vaporisation from our palm.