CHAPTER TEST CHAPTER 2 SOLUTION

 CHAPTER TEST CHAPTER 2 SOLUTION

Section A: Multiple Choice Questions Choose the correct option for each question.

1. Which of the following is a homogeneous mixture? a. Sand and water b. Oil and water c. Salt and water d. Soil and water

2. The substance present in a smaller amount in a solution is called the: a. Solvent b. Solute c. Solution d. Concentration

3. The solubility of a solute is affected by: a. Temperature b. Pressure c. Nature of the solute and solvent d. All of the above

4. Which concentration term is defined as the ratio of the number of moles of solute to the volume of the solution in liters? a. Molarity b. Molality c. Mole fraction d. Mass percentage

5. According to Henry's law, the solubility of a gas in a liquid is directly proportional to: a. The temperature of the solution b. The pressure of the gas above the solution c. The concentration of the solvent d. The nature of the solute

Section B: Short Answer Questions Answer the following questions briefly.

6. Define colligative properties of solutions. Give two examples.

7. Explain the process of preparing a solution.

8. What is meant by the term "like dissolves like"? Provide an example.

Section C: Long Answer Questions Answer the following questions in detail.

9. Discuss the factors affecting the solubility of a solute in a solvent.

10. Explain the concept of vapor pressure lowering. How does it relate to the solute-solvent interaction?

11. Describe the colligative property of osmotic pressure. How is it measured experimentally?

12. Discuss the different concentration terms used to express the composition of solutions. Give their mathematical expressions.