Assertion: Oil spreads on cold water .
Reason : The surface tension of oil is graater than that of cold water .

The surface tension of cold water is that of hot water

The surface tension of cold water is that of hot water

Assertion: Oil drops spread on cold water and remain as a drop on hot water. Reason : Surfnce tension of oil is less than cold water and more than that of hot water.

Oil spreads on a water , why it is so?

Assertion: Soap bubble is larger than a water drop. Reason: Surface tension of soap bubble is less than that of water. Choose the correct choice of the following choices.

Oil spreads on cold water but remains as drop on hot water.

Oil floats on water. This shows that density of oil is greater than the density of water. (T or F)

Why velocity of hot water is greater than velocity of cold water.