1. MATTER IN OUR SURROUNDINGS
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गर्मियों में घड़े का जल ठंडा क्यों होता है ?

Option A
Option B
Option C
Option D

Solution

Large number of tiny pores is present on the surface of the earthen pot (matka). The water stored in the earthen pot (matka) evaporates faster through these pores due to the increased exposed surface area. As the' process of evaporation causes cooling, the stored water inside the earthen pot (matka) becomes cool.

Standard 9
Science

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