Question :Study the set-up given alongside andanswer the questions given below: Why is the surface of water coveredwith oil?

Question :Study the set-up given alongside andanswer the questions giv

1.	Question :Study the set-up given alongside andanswer the questions given below: Why is the surface of water coveredwith oil?
Answer» Solution :Oil prevents EVAPORATION of water. It is to PREVENT evaporation from the TEST TUBE.