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Define Solution A solution comprises a solute and a solvent. It is defined as a homogeneous mixture of two or more than two substances. They can be classified into three types: Solid solutions Gaseous solutions Liquid solutions Molarity, mole fraction, percentages, and molality are the terms used to express the concentration of a solution. Students can refer to the short notes and MCQ questions along with separate solution pdf of this chapter for quick revision from the links below: Henry’s Law In liquids, the dissociation of gas is controlled by Henry’s law. The states that the solubility of a gas in a liquid, at a given temperature, is directly proportional to the partial pressure of the gas. Due to the presence of a non-volatile solute, the vapour pressure of the solvent is lowered. Raoult’s Law The lowering of the vapour pressure of the solvent is ruled by Raoult’s law. The law states that the relative lowering of the vapour pressure of the solvent over