Rama’s mother was working in the kitchen. Suddenly, she found that the cooking oil caught fire and to extinguish that, she sprinkle water over it but the fire was not put off.

The reason(s) for the continuous burning of oil even after sprinkling water is/are

I) Oil is lighter than water.

II) Water is heavier than oil.

III) Water sinks and oil stays on top and keeps burning.

IV) Oil sinks and water stays on top and keeps burning.

The correct reasons are