SECTION II: CHEMICAL REACTIONS

4. Chemical Calculations

4.1 Formulae and Equation Writing

• Balancing of Chemical Equations – 2012/P1/Q12

4.2 The Mole Concept and Stoichiometry

• Mole Calculation

• How to convert units of mass and volume

• How to calculate number of particles| Avogadro’s constant

• How to Solve Chemical Calculation involving Acid and Alkali| 2018/P1/Q11

• How to determine Empirical Formula of Compound| 2015/P1/Q15; 2008/P1/13

5. Acid-Base Chemistry

5.1 Acid-Base Chemistry

• Bases and Alkalis

• Acid Strength

• pH

• Chemical Properties of Alkalis

• Chemical Properties of Acids

• Chemical Reactions to make copper(II) sulfate

• How to Solve Chemical Calculation involving Acid and Alkali| 2018/P1/Q11

5.2 Salt Preparation

• Solubility of Salts

• How to make insoluble salt| Precipitation Method

• Chemical Reactions to make copper(II) sulfate

5.3 Ammonia

• The Haber Process – Manufacturing of Ammonia

• The basics of Ammonia

6. Qualitative Analysis

• How to distinguish lead(II) ions from aluminium ions?

• Why calcium ions do not form precipitate with aqueous ammonia

• Identification of Anions

• Identification of Cations using aqueous Ammonia (Flowchart available)

• Identification of Cations using aqueous Sodium Hydroxide (Flowchart available)

• Identifying Anions

• Identifying Cations

7. Redox Chemistry

7.1 Oxidation and Reduction

• Redox Reaction
  
  

7.2 Electrochemistry

• Electrolysis – Parts of an electrolytic Cell

8. Patterns in the Periodic Table

The Periodic Table

• What are the features and patterns in the Periodic Table that you must know

• The Periodic Table - Noble Gases and Transition Elements

• The Periodic Table - What do you need to know about Halogens

• The Periodic Table - Why are Group I Elements called Alkali Metals

• What is Displacement reaction| Halogens

9. Chemical Energetics - Energy Changes

• How to draw Energy Profile Diagram and Energy Level Diagram of Exothermic and Endothermic Reaction

• What is activation energy?

• Endothermic and Exothermic Changes

• Energy Level Diagram

10. Rate of Reactions

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