Question

1. Why does a desert cooler cool
better on a hot dry day?
2. How does the water kept in an
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?
4. Why are we able to sip hot tea or
milk faster from a saucer rather
than a cup?
5. What type of clothes should we
wear in summer?​

Answer 1

Answer:

ans 1 :-On a hot dry day, the amount of water vapour present in air is less. Thus, water present inside the desert cooler evaporates more, thereby cooling the surroundings more. That is why a desert cooler cools better on a hot dry ..

remaining answes in above attachment...

Explanation:

hope it may helps u...

Answer 2

1,2,4 and 5 ans in pic.

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.