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Form 5 Chemistry

09 Redox Equilibrium

9.1 Oxidation and Reduction Sample Lesson

9.1.1 Oxidation and Reduction (Q&A)

9.1.2a Oxidation and Reduction I (T/F)

9.1.2b Oxidation and Reduction II (T/F)

9.1.2c Oxidation and Reduction III (T/F)

9.1.3 Oxidation and Reduction in Term of Gain or Loss Oxygen/Hydrogen (MCQ)

9.1.4 Oxidation and Reduction in Term of Gain or Loss Electron (MCQ)

9.1.5 Oxidation Number (MCQ)

9.1.6 Change of Oxidation Number (MCQ)

9.1.7 Oxidation and Reduction in Term of Change of Oxidation Number (MCQ)

9.1.8 Redox Reaction (MCQ)

9.1.9 Commonly Used Oxidising Agent and Reducing Agent (MCQ)

9.1.10 Inter-conversion of Fe2+ and Fe3+ (MCQ)

9.1.11 Displacement Reactions of Metals (MCQ)

9.1.12 Displacement Reaction Halogen (MCQ)

9.2 Standard Electrode Potential Sample Lesson

9.2.1 Standard Electrode Potential (Q&A)

9.2.2 Standard Electrode Potential (T/F)

9.2.3 The Electrochemical Series (MCQ)

9.3 Chemical Cells Sample Lesson

9.3.1 Chemical Cells (Voltaic/Galvanic Cells) (Q&A)

9.3.2 Voltaic Cell (T/F)

9.3.3a Voltaic Cell I (MCQ)

9.3.3b Voltaic Cell 2 (MCQ)

9.3.4 Transfer of Electrons from One Point to Another (MCQ)

9.4 Electrolytic Cells Sample Lesson

9.4.1 Electrolytic Cells (Q&A)

9.4.2a Electrolytic Cells I (T/F)

9.4.2b Electrolytic Cells II (T/F)

9.4.2c Electrolytic Cells III (T/F)

9.4.3 Electrolytic Cells (MCQ)

9.4.4 Applications of Electrolysis (MCQ)

9.4.5 Electrolytes (MCQ)

9.5 Extraction of Metals from Their Ores

9.5.1 Extraction of Metals from Their Ores (Q&A)

9.5.2 Metal Extraction from Ores (T/F)

9.5.3 Reactivity Series (MCQ)

9.6.1 Corrosion (Q&A)

9.6.2a Corrosion I (T/F)

9.6.2b Corrosion II (T/F)

9.6.3 Rusting (MCQ)

10 Carbon Compounds

10.1 Types of Carbon Compounds

10.1.1 Types of carbon compounds (Q&A)

10.1.2 Types of Carbon Compounds (T/F)

10.1.3 Carbon Compounds (MCQ)

10.2 Homologous Series

10.2.1 Homologous Series (Q&A)

10.2.2a Homologous Series I (T/F)

10.2.2b Homologous Series II (T/F)

10.2.2c Homologous Series III (T/F)

10.2.2d Homologous Series IV (T/F)

10.2.2e Homologous Series V (T/F)

10.2.3 Alkanes (MCQ)

10.2.4 Alkenes (MCQ)

10.2.5 Alcohols (MCQ)

10.2.6 Carboxylic Acids (MCQ)

10.3 Chemical Properties and Interchangeability between Homologous Series

10.3.1 Chemical Properties and Interchangeability Between Homologous Series (Q&A)

10.3.2a Chemical Properties and Interchangeability between Homologous Series I (T/F)

10.3.2b Chemical Properties and Interchangeability between Homologous Series II (T/F)

10.3.2c Chemical Properties and Interchangeability between Homologous Series III (T/F)

10.3.2d Chemical Properties and Interchangeability between Homologous Series IV (T/F)

10.3.3 Reactions of Alkenes I (MCQ)

10.3.4 Reactions of Alkenes II (MCQ)

10.3.5 Reactions of Alcohols (MCQ)

10.4 Isomers and Naming According to IUPAC Nomenclature

10.4.1 Isomers and Naming According to IUPAC Nomenclature (Q&A)

10.4.2a Isomers and Nomenclature According to IUPAC Rules I (T/F)

10.4.2b Isomers and Nomenclature According to IUPAC Rules II (T/F)

10.4.2c Isomers and Nomenclature According to IUPAC Rules III (T/F)

10.4.2d Isomers and Nomenclature According to IUPAC Rules IV (T/F)

10.4.3 Isomers (MCQ)

11 Thermochemistry

11.1 Heat Changes in Reactions

11.1.1 Heat Changes in Reactions (Q&A)

11.1.2a Heat Changes in Reactions I (T/F)

11.1.2b Heat Changes in Reactions II – (T/F)

11.2.3 Heat of Reaction (MCQ)

11.2.4 Change of Energy in Chemical Reaction (MCQ)

11.2 Heat of Reaction

11.2.1 Heat of Reaction (Q&A)

11.2.2a Heat of Reaction I (T/F)

11.2.2b Heat of Reaction II (T/F)

11.2.2c Heat of Reaction III (T/F)

11.2.2d Heat of Reaction IV (T/F)

11.2.3 Heat of Displacement (MCQ)

11.2.4 Heat of Neutralisation (MCQ)

11.2.5 Heat of Precipitation (MCQ)

11.3 Applications of Endothermic and Exothermic Reactions in Daily Life

11.3.1 Applications of Endothermic and Exothermic Reactions in Daily Life (Q&A)

11.3.2 Application of Endothermic and Exothermic Reactions in Daily Life (T/F)

11.3.3 Applications of Endothermic and Exothermic Reactions in Daily Life (MCQ)

12 Polymers

12.1.1 Polymers (Q&A)

12.1.2a Polymers I (T/F)

12.1.2b Polymers II (T/F)

12.1.3 Polymers (MCQ)

12.2 Natural Rubber

12.2.1 Natural Rubber (Q&A)

12.2.2a Natural Rubber I (T/F)

12.2.2b Natural Rubber II (T/F)

12.2.3 Natural Rubber (MCQ)

12.3 Synthetic Rubber

12.3.1 Synthetic Rubber (Q&A)

12.3.2 Synthetic Rubber (T/F)

12.3.3 Synthetic Rubber (MCQ)

12.3.4 Synthetic Polymers (MCQ)

13 Consumer and Industrial Chemistry

13.1 Oils and Fats

13.1.1 Oils and Fats (Q&A)

13.1.2a Oils and Fats I (T/F)

13.1.2b Oils and Fats II (T/F)

13.1.3 Oils and Fats (MCQ)

13.2 Cleaning Agents

13.2.1 Cleaning Agents (Q&A)

13.2.2a Detergents I (T/F)

13.2.2b Detergents II (T/F)

13.2.3 Soap (MCQ)

13.2.4 Detergent (MCQ)

13.3 Food Additives

13.3.1 Food Additives (Q&A)

13.2.2a Food Additives I (T/F)

13.2.2b Food Additives II (T/F)

13.2.3 Food Additive (MCQ)

13.4 Medicines and Cosmetics

13.4.1 Medicines and Cosmetics (Q&A)

13.4.2a Medicines and Cosmetics I (T/F)

13.4.2b Medicines and Cosmetics II (T/F)

13.4.3 Medicine I (MCQ)

13.4.4 Medicine II (MCQ)

13.5 Application of Nanotechnology in Industry

13.5.1 Nanotechnology (Q&A)

13.5.2 Nanotechnology (T/F)

13.5.3 Nanotechnology (MCQ)

13.6 Application of Green Technology in industrial Waste Management

13.6.1 Application of Green Technology in industrial Waste Management (Q&A)

13.6.2a Green Technology I (T/F)

13.6.2b Green Technology II (T/F)

13.6.3 Green Technology (MCQ)

9.1.5 Oxidation Number (MCQ)

Form 5 Chemistry
9.1 Oxidation and Reduction
9.1.1 Oxidation and Reduction (Q&A)
9.1.5 Oxidation Number (MCQ)

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Question 1 of 10

1. Question
0 point(s)
Find the oxidation number of sulphur in Na₂S₂O3.
- +2
- +3
- +4
- +6
Correct

Incorrect
Question 2 of 10

2. Question
0 point(s)
What is the oxidation number of sulphur in K₂SO₃?
- +4
- +6
- +5
- -2
Correct

Incorrect
Question 3 of 10

3. Question
0 point(s)
What is the oxidation number of vanadium in V₂O₅?
- +5
- -5
- +4
- -4
Correct

Incorrect
Question 4 of 10

4. Question
0 point(s)
What is the oxidation state of nitrogen in a nitric acid molecule?
- +5
- -5
- +4
- -4
Correct

Incorrect
Question 5 of 10

5. Question
0 point(s)
What is the oxidation state of phosphorus in a phosphoric acid molecule?
- +5
- -5
- +4
- -4
Correct

Incorrect
Question 6 of 10

6. Question
0 point(s)
What is the oxidation number of hydrogen in magnesium hydride, \(\mathrm{MgH}_2\) ?
- 0
- +1
- -1
- +2
Correct

Incorrect
Question 7 of 10

7. Question
0 point(s)
Which of the underlined element in the following compounds has the highest oxidation number?
- K₂Cr₂O₇
- Fe₂(SO₄)₃
- PbCl₄
- KMnO₄
Correct

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Question 8 of 10

8. Question
0 point(s)
Which of the following is true about the oxidation number of the elements in NH₄ClO₃.
- I. Element : N
  Oxidation Number: -3
- II. Element : H
  Oxidation Number: +4
- III. Element: Cl
  Oxidation Number: -1
- IV. Element :O
  Oxidation Number: -2
Correct

Incorrect
Question 9 of 10

9. Question
0 point(s)
What is the oxidation number of \(\mathrm{X}\) in \(\mathrm{XO}_4^{-}\)?
- +4
- +7
- +5
- +8
Correct

Incorrect
Question 10 of 10

10. Question
0 point(s)
What is the oxidation number of the chromium element in potassium dichromate(VI), \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) ?
- +2
- +3
- +5
- +6
Correct

Incorrect