Chapters include PMR Chapter 5 and UEC Chapters 6 and 7.
Pointers for PMR Chapter 5
1. Physical Characteristics of Water (include impurities)
2. Composition of Water
3. Factors affecting the rate of evaporation of water
4. Differences between evaporation and boiling
5. Organic solvents
6. Properties of acid and alkali (understand neutralisation)
7. Methods to purify water
Pointers for UEC Chapter 6
1. Make sure you know these terms:
fusion, solidification, vaporization, liquefaction, evaporation, boiling, sublimation and latent heat.
2. Go through the examples for calculating latent heat of fusion and latent heat of vaporization.
Pointers for UEC Chapter 7
1. Clear about the following terms:
solute, solvent, solution, dilute, concentrated, saturated
2. Effects of temperature on solubility of solute
3. Able to differentiate the following liquids:
solution, suspension, emulsion, colloids
4. Go through the examples for calculating mass percentage concentration of solution.
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