Why does talcum powder gives a cooling sensation?
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Answered by
7
because the trick is that the chemical used in the powder sends signal to brain that “its cold out here” without actually cooling it.
yuzarsif:
hope it will help you
Can you tell me on the concept of interconversion of states of matter?
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Matter can change from one form to other form i.e from solids to liquids to gases. The phenomenon of the changeof matter from one state to another and back to original state is known as interconversion of the sates of matter. Matter can be changed from one state to another by changing temperature or pressure.
example water
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Answered by
12
We all know the cooling effect of talcum powders. This cooling effect is due to dry nature of talcum powder.
As we apply this powder to our body, they absorb the sweat and that causes evaporation of sweat overall. Evaporation is an endothermic process so it reduces the temperature of body and overall we feel cooling effect.
That is the reason we use talcum powder in summer to beat the heat.
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