Answer
Oil is a non-polar molecule, and water is a polar molecule, so oil tends to avoid contact with water. Due to this, oil will try to reduce its contact with water by reducing its surface area by assuming a spherical shape, which has the least surface area.
Work Step by Step
Oil is a non-polar molecule, and water is a polar molecule, so oil tends to avoid contact with water. Due to this, oil will try to reduce its contact with water by reducing its surface area by assuming a spherical shape, which has the least surface area.