esert cooler cool
UUSUIUM
1. Why does a desert cooler
better on a hot dry day?
2 How does the water kept in on
earthen pot (matka) become cool
during summer?
3. Why does our palm feel cold
when we put some acetone or
petrol or perfume on it?
Answers
Answered by
2
Answer:
2- when we kept water in the earthern po, it have some small pores on its suface through which water comes out , air flows much in hot dry day through which air contact the suface of pot and pores out water evaporates . Therefore water becomes cool in summer
Answered by
0
3.Acetone,petrol and perfume are volatile substance that gets evaporated when they come in contact with air Evaporation is facilitated as it uses energy from the palm hence leaving a cooling effect on our palms.
1st and 2nd ans in pic.
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