Access the complete 2024 WAEC May/June Chemistry Practical (Paper 3) (Alternative A & B) (1st & 2nd Set) Specimen Questions and Answers for WASSCE for School Candidates at no cost. | WAEC Chemistry Practical Free Expo Room (16th May, 2024).
The West African Examinations Council (WAEC) has provided helpful materials on Data Processing to prepare you for the final exam, which will Start on 16th May, 2024 , and will consist of Chemistry 3 (Practical) (Alternative A & B) (1st & 2nd Set) Specimen. These materials will help you know what is expected of you and how to do your best in the Senior School Certificate Examination (SSCE).
WAEC Chemistry Practical exam Schedule
Exam Details:
| Date | Exam | Time | Set |
|---|---|---|---|
Check: 2024 WAEC GCE Nov/Dec Chemistry Essay/Objective Questions and Answers
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2024 WAEC Chemistry Practical Specimen Questions and Answers for Alternative A and B
Gain free access to the 2024 WAEC Chemistry Practical Specimen Questions and Answers for both Alternative A and B. Use these resources to prepare effectively for your exams.
WAEC 2024 Chemistry Alternative B Answers
NUMBER 2
Solving…….
NUMBER 3
(3a) (i) The salt solution was acidic in nature, as it reacted with sodium trioxocarbonate (IV) (sodium carbonate) to produce effervescence and a white precipitate.
(ii) The salt solution contained calcium or magnesium ions, as these ions form a white precipitate when reacted with sodium carbonate.
(iii) The reaction was exothermic, as the test tube became warm, indicating the release of heat energy.
(3b) (i) PbSO₄ (lead(II) sulfate) is insoluble in water, so it does not dissolve readily.
(ii) NaHCO₃ (sodium hydrogen carbonate) produces effervescence with dilute mineral acids, as it reacts with the acids to release carbon dioxide gas.
(iii) NH₄Cl (ammonium chloride) decomposes when heated, breaking down into ammonia and hydrogen chloride gases.
(iv) NaHCO₃ (sodium hydrogen carbonate) dissolves in water to form an alkaline solution, as it is a basic salt.
(v) NH₄Cl (ammonium chloride) sublimes upon heating, changing directly from a solid to a gas without passing through the liquid phase.
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2024 WAEC Chemistry Alternative B Questions Below:
2024 WAEC Chemistry Alternative B Questions Below
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