Question

what happens when milk is left open at room temprature during summers

Answer 1

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When milk is left open at room temperature during summer then , the liquid part get evaporated and the residue get left in it.

Reason :- As the evaporation is a surface phenomenon so, during summer the temperature is too high that increases the rate of evaporation.
so during summer because of this increase in temperature the rate of evaporation get increased and all the milk that is in the container get evaporated.

explanation :- Evaporation is a process of conversion of solid state of matter into gaseous state of matter. it mainly occur below the boiling point. so when the milk is left open at the room temperature during summer then because of increase in temperature, the rate of evaporation increases.

so the solid particle of the milk seperated out as residue.
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Amaytripathi19