1. What is a homogeneous mixture of two or more substances in which one substance is dissolved in the other called?
2. In a solution, the substance that dissolves is known as:
3. Which type of solution contains the maximum amount of solute at a given temperature?
4. The size of particles in a colloid ranges from:
5. The scattering of light by colloidal particles is known as:
6. Which of the following is NOT a gaseous solution?
7. The maximum amount of solute which dissolves in a specified amount of solvent at a specific temperature is called:
8. Which of the following solutions can pass through both normal and ultra-filter paper?
9. In which state of matter do particles have the highest kinetic energy?
10. What happens to the solubility of KCl when temperature increases?
11. Which of the following is an example of a solid solution?
12. The property of an element to exist in different physical forms is called:
1. Define the terms solute, solvent, and solution. Give an example of each.
2. Differentiate between saturated and supersaturated solutions with examples.
3. Explain the effect of temperature on solubility with suitable examples.
4. Compare colloids and suspensions based on their particle size, stability, and examples.
5. Describe the Tyndall effect and explain how it can be used to distinguish between a solution and a colloid.
6. What are aqueous solutions? Explain with two examples why water is called a universal solvent.
7. Differentiate between concentrated and dilute solutions. How can a concentrated solution be made dilute?
8. Explain the concept of allotropes with reference to carbon. What makes diamond and graphite so different in their properties?
9. Define homogeneous and heterogeneous mixtures and give two examples of each.
10. Explain the process of forming a supersaturated solution with a practical example.
11. What are the characteristics of plasma as a state of matter? How does it differ from gas?
a) Define a solution and explain its components with examples.
b) Differentiate between unsaturated, saturated, and supersaturated solutions.
c) Describe an activity to demonstrate these three types of solutions.
d) Explain how temperature affects the solubility of different substances.
a) Compare solutions, colloids, and suspensions based on their particle size, stability, appearance, and light scattering properties.
b) Explain why colloids show the Tyndall effect while true solutions do not.
c) Classify the following as solutions, colloids, or suspensions and justify your answer:
a) Describe the four states of matter with examples.
b) Explain how particles behave differently in each state in terms of:
c) How can matter be converted from one state to another?
a) Define allotropy and explain its occurrence.
b) Describe the structure and properties of three allotropes of carbon.
c) Explain how the different arrangements of carbon atoms in diamond and graphite result in their vastly different properties.
d) How do we classify matter into elements, compounds, and mixtures? Give examples of each.