A chemical solution is a homogeneous mixture where one substance, called the solute, is dissolved in another substance, known as the solvent. The solute can be a solid, liquid, or gas, while the solvent is usually a liquid. Common examples include salt dissolved in water or sugar in tea. In a chemical solution, the particles of the solute are evenly distributed throughout the solvent, resulting in a uniform composition. Solutions can vary in concentration, which refers to the amount of solute present in a given volume of solvent. Understanding solutions is essential in fields like chemistry, biology, and environmental science.