Which among the following is not soluble in water?

Oil is not soluble in water. It is an immiscible liquid. Immiscible liquids are those liquids that cannot dissolve in a liquid. Oil floats on the water when it is added to water. Salt and sugar are soluble in water. They dissolve when they are added to water. They are called soluble substances. Milk is a miscible liquid. Miscible liquids are those liquids that dissolve in a liquid.