Mixture of two or more substances with one phase only, i.e. having no distinct boundary of constituent particles are called solution. For example, solution of sugar and water, solution of salt and water, lemonade, soft drinks, etc. Solution is a homogeneous mixture of two or more substances an ordinary mixture is made up of two or more matters and which can be separated by physical methods, such as mixture of different gases, air. In a mixture, components do not combine chemically or through any chemical change.