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S 4 Chemistry Practical Assessment Set 1

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PDF 595.04 KB 6 pages Jul 23, 2026
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Candidate’s Name: ……………………………………………………………… Signature: ……………………………………… Stream: ………………... ......... 545/2/3 CHEMISTRY PAPER 2/3 (practical) APRIL. 2026 2 hours Uganda Certificate of Education INSTRUCTIONS TO CANDIDATES: This paper consists of one compulsory examination item. Responses to this item are to be written in the spaces provided in this booklet. Use blue or black ink. All working must be clearly shown. Graph paper is provided. Mathematical tables and silent non - programmable scientific calculators may be used. You are not allowed to use reference books (i.e. text books, booklets on quantitative analysis etc.). You are advised to carefully read the item, make sure you have all the apparatus and chemicals that you may need and then plan appropriately before starting. For Scorers’ Use only Basis Code A V H R P D Dr I C Total weighted score Weighted Score Item A chemical manufacturing industry discharges alkaline wastewater into the environment, making it unsafe and a threat to the ecosystem. To address this concern, the managers have been advised to add uniformly increasing volumes of acidic solution W to a fixed volume of alkaline wastewater . However, this process results into heat change s. The w astewater is considered safe for disposal into the environment when maximum amount of heat energy produced by the mixture is less than 4.0kJ. The managers are seeking advice on how this can be done and have contacted you for assistance . You are provided with; ❖ BA1 which is a sample of industrial alkaline wastewater. ❖ BA2 which is a sample of acidic solution W. Task As a student who has studied chemistry, (a) Design an experiment that you can be carry out to help the managers address this problem . (Your design should include design include aim, hypothesis, variables, apparatus and materials, procedure, risk s and …
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S 4 Chemistry Practical Assessment Set 1, is an educational document on StudyUganda.com. This resource includes: "Candidate’s Name: ……………………………………………………………… Signature: ……………………………………… Stream: ………………... ......... 545/2/3 CHEMISTRY PAPER 2/3 (practical) APRIL. 2026 2 hours Uganda Certificate of Education INSTRUCTIONS TO CANDIDATES: This ……" (Format: PDF) — 595.04 KB, 6 pages. Added July 23, 2026.

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