Concept:Kerosene is a petroleum fraction containing hydrocarbons. It acts as a non-polar organic solvent, so it dissolves oil-based substances easily.Explanation:Many paints contain oils and resins as their binding agents.Kerosene can dissolve these non-polar components, thinning the paint.This allows the paint to spread smoothly and appear more uniform and glossy.Sulphur, gums, and fats are not the typical products that kerosene is used to dissolve in this everyday solvent application.Answer:A. Paints