📌 Topics Covered in Exercise – Chapter 1 (States of Matter and Phase Changes)
The exercise questions in this chapter are based on these topics:
1. Definitions
Define chemistry and its branches.
Define states of matter.
Define element, compound, and mixture.
Define allotropy.
Define solution, colloid, and suspension.
2. Differences
Differentiate between organic and inorganic chemistry.
Differentiate between physical and analytical chemistry.
Differentiate between element, compound, and mixture.
Differentiate between true solution, colloidal solution, and suspension.
Differentiate between unsaturated and saturated solutions.
3. Explanations
Explain the three states of matter with examples.
Explain the phase changes (melting, freezing, evaporation, condensation, sublimation).
Explain allotropic forms of carbon.
Explain the formation of saturated and unsaturated solutions.
Explain the effect of temperature on solubility.
4. Short Questions
What is the Tyndall effect?
What is solubility?
What are the properties of gases?
What are the properties of liquids?
What are the properties of solids?
What is plasma?
What are liquid crystals?
5. Numerical / Practical
Calculate the percentage composition of a compound.
Solve problems related to solubility.
Prepare saturated and unsaturated solutions in the lab.