Which of the following statements about solutions is correct?

• A. A solution is a homogeneous mixture of two or more substances.
• B. A solution always contains a solid dissolved in a liquid.
• C. The solute in a solution is always present in a greater amount than the solvent.
• D. Solutions can only be formed with water as the solvent.

Answer: (A)

Verified step by step guidance

1. Understand the definition of a solution: A solution is a homogeneous mixture, meaning its composition is uniform throughout, consisting of two or more substances.
2. Recognize that solutions are not limited to solids dissolved in liquids; they can also be gases dissolved in gases, liquids dissolved in liquids, or solids dissolved in solids.
3. Recall that in a solution, the solvent is the component present in the greater amount, while the solute is present in a lesser amount.
4. Know that solvents are not restricted to water; many other substances can act as solvents depending on the system.
5. Based on these points, identify that the correct statement is: 'A solution is a homogeneous mixture of two or more substances.'