On the basis of physical state of solute and solvent, we can classify 9 types of solutions –  Type of Solution Solute Solvent Examples Gaseous solutions Gas  Gas  Air Liquid  Gas Water in atmosphere Solid  Gas Sublimation of camphor in air Liquid solutions Gas  Liquid Carbonated beverages Liquid  Liquid A solution of Milk and water Solid  Liquid Sugar in water Solid solutions Gas  Solid Hydrogen adsorbed on platinum Liquid Solid Amalgam of Hg with Na Solid  Solid  Alloys