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3. Solution In the solution process, water dissolves soluble minerals. These dissolved minerals are then carried away by water. Example: Halite (NaCl) dissolves easily in water. NaCl → Na⁺ + Cl⁻ This process is common in salts and limestone areas. 4. Oxidation and Reduction Oxidation involv…

3. Solution In the solution process, water dissolves soluble minerals. These dissolved minerals are then carried away by water. Example: Halite (NaCl) dissolves easily in water. NaCl → Na⁺ + Cl⁻ This process is common in salts and limestone areas. 4. Oxidation and Reduction Oxidation involves the addition of oxygen to minerals. Reduction involves the removal of oxygen or addition of electrons. These reactions mainly affect iron, manganese, and sulfur minerals. Example: Fe²⁺ + O₂ → Fe