Which type of solution is seltzer water?

• A. A solid dissolved in a liquid
• B. A gas dissolved in a liquid
• C. A solid dissolved in a solid
• D. A liquid dissolved in a liquid

Answer: (B)

Verified step by step guidance

1. Understand the components of seltzer water: it is water (a liquid) that contains dissolved carbon dioxide gas.
2. Recall that seltzer water is made by dissolving carbon dioxide gas into water under pressure, which creates the characteristic fizz.
3. Identify the type of solution based on the solute and solvent: the solute is carbon dioxide (a gas), and the solvent is water (a liquid).
4. Recognize that when a gas dissolves in a liquid, the resulting mixture is called a gas dissolved in a liquid solution.
5. Conclude that seltzer water is an example of a gas dissolved in a liquid solution.