Flammable Liquids : Previously, the word flammable has the same meaning as inflammable. Flammable liquids are those liquids or mixtures of liquids or liquids containing solids in suspensions or solutions which give off flammable vapour at temperature of not more than 60.5"C. Examples of flammable liquids are petrol, alcohol, petroleum, naphtha, hexane, benzene, toluene etc.