Solid Solution1. BrassCopper + ZincA solid solution of zinc dissolved in copper. Used in coins, instruments, and decorations.2. SteelIron + Carbon (and sometimes chromium or nickel)Carbon atoms are dissolved in iron to form a strong, solid alloy. Common in tools and construction.3. BronzeCopper + TinTin atoms mix into the copper lattice, forming a solid solution. Used in sculptures and medals.Liquid Solution1.Vinegar (Acetic Acid + Water)Vinegar is a solution where acetic acid is dissolved in water. It's used in cooking and cleaning.2. Alcohol + Water = Rubbing AlcoholEthanol or isopropyl alcohol mixes evenly with water. This is used for cleaning or disinfecting.3. Carbon dioxide + Water = SodaCO₂ gas is dissolved in water under pressure. When opened, the gas escapes, but before that, it forms a liquid solution.