Solutions and Colloids

Chemistry, HSSC-KPK First Year. This chapter is split into 38 topics and has 909 practice questions. The topics covered are listed below, followed by 10 free sample questions from the chapter.

Topics in this chapter

1. General properties of solutions, suspensions and colloids 30 questions
2. Solvation, hydration and water of crystallization 26 questions
3. Raoult's Law and vapour pressure lowering 30 questions
4. Effect of temperature and pressure on solubility, heat of solution 30 questions
5. Boiling point elevation and freezing point depression 23 questions
6. Osmosis and osmotic pressure 22 questions
7. Concentration units: percentage, molarity and molality 22 questions
8. Concentration units: mole fraction, ppm, ppb and ppt 26 questions
9. Hydrophilic, hydrophobic particles and nature of solutions in liquid phase 22 questions
10. Colloids: properties and classification 24 questions
11. Molarity calculations: solute mass, volume and molarity 25 questions
12. Molality calculations: mass of solute, kilograms of solvent 23 questions
13. Mole fraction calculations 24 questions
14. Percentage composition calculations: m/m, m/V, V/V and V/m 25 questions
15. Parts per million, billion and trillion: calculations and conversions 25 questions
16. Concentration units: definitions, comparisons and choosing the unit 21 questions
17. Raoult's law for two volatile liquids: partial and total pressures 25 questions
18. Vapour pressure lowering by a non-volatile solute: calculations 24 questions
19. Molar mass from the relative lowering of vapour pressure 20 questions
20. Elevation of boiling point: calculations with molality and Kb 26 questions
21. Depression of freezing point: calculations with molality and Kf 25 questions
22. Molar mass from boiling point elevation and freezing point depression 20 questions
23. Osmotic pressure data (Table 10.2) and osmosis scenarios 28 questions
24. Solubility data (Table 10.1): readings, comparisons and calculations 25 questions
25. Solubility curves (Figure 10.1), temperature and the sign of the heat of solution 21 questions
26. Heat of solution: hot packs, cold packs and heat calculations 26 questions
27. Pressure and the solubility of gases: proportionality and soda water 20 questions
28. Liquids in liquids: miscible, partially miscible and immiscible pairs 23 questions
29. Types of colloids (Table 10.3): naming the system from an example 24 questions
30. Properties of colloids: particle size, scattering and coagulation 24 questions
31. Lyophilic and lyophobic colloids: stability, reversibility and examples 21 questions
32. Solvation, hydration and 'like dissolves like' predictions 20 questions
33. Hydrated salts: formula masses, percentage of water and heating calculations 22 questions
34. Classifying a mixture as solution, colloid or suspension from its behaviour 21 questions
35. Colligative properties: concepts and comparisons 21 questions
36. Assertion-reason questions on solutions and colloids 29 questions
37. Converting between concentration units: m/m percentage, molality and mole fraction 25 questions
38. Exercise numericals, self-assessment and long question items 21 questions