Question

1. in any solution, the part in the greatest quantity or volume is called the ________.a soluteb solvent2. the most common type of solution is a ______-______ solution.a liquid-solidb liquid-gas3. air is a ______-________ solution.

Explanation:

1. For the first question: In a solution, the component present in the largest amount (by quantity or volume) that dissolves another substance is defined as the solvent, while the solute is the minor component being dissolved.
2. For the second question: Liquid-solid solutions (e.g., salt dissolved in water) are the most commonly encountered type of solution in daily and scientific contexts.
3. For the third question: Air consists of multiple gaseous substances (nitrogen, oxygen, etc.) uniformly mixed together, so it is a gas-gas solution.

Answer:

1. B. solvent
2. A. liquid-solid
3. gas-gas