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Uganda Advanced Certificate Of Education Senior Five Chemistry Mid Term Iii Sample Paper 1

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1 Candidate’s Name: …………………………………………….……………………….. Signature: …………………………….. T TORORO TOWN COLLEGE MID OF TERM III ASSESSMENT Uganda Advanced Certificate of Education S.5 CHEMISTRY Paper 1 (𝑺𝒆𝒕 𝑰) 2 hours 30 minutes INSTRUCTIONS TO CANDIDATES : This paper has two sections A and B. Section A has two compulsory items while B has two parts Part I and Part II Each of part I and part II has two items, Answer only one from each. Answers to Section A must be written in the spaces provided and Section B must be written in the answer booklet(s) provided Answer four in all. Where necessary use, Molar gas volume at s.t.p = 22.4dm3 FOR EXAMINER’S USE ONLY ITEM 1 2 3/4 5/6 T.T CODE SCORE 525/1 CHEMISTRY Paper 1 Otober/November 2025 2𝟏𝟐ൗ hours STREAM: Tr. JULIUS WASAKINA S.5 SERIES 2025: 0787093081/0766258729 2 SECTION A Answer all questions in this section ITEM 1 AgroTech Minerals Ltd. has developed a new inorganic fertilizer labeled X in Hydrated Form. Laboratory analysis shows that the solid contains 9.37% magnesium, 10.93% nitrogen, and 42.18% water of crystallization and rest being oxygen. Molar mass of X is 256g. 5.0 kg of the fertilizer was available for sale, the manager sought to know the amount in mass of nitrate nutrient in X that would be delivered to maize. Keen to know about environmental hazards, X was burnt in absence of air and decomposed with brown gas of nitrogen dioxide according to equation: Equation 1: 2 𝑀𝑔(𝑁𝑂₃)₂(𝑠) → 2 𝑀𝑔𝑂(𝑠) + 4 𝑁𝑂₂(𝑔) + 𝑂₂(𝑔) The company sought to know the volume at s.t.p of the brown gas produced from burning 1.0 kg of the fertilizer and assess the environmental impacts of the emissions and mitigations. Due to available rocks containing magnesium in the area, the company manager further seeks to evaluate …

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Uganda Advanced Certificate Of Education Senior Five Chemistry Mid Term Iii Sample Paper 1, is an educational document on StudyUganda.com. This resource includes: "1 Candidate’s Name: …………………………………………….……………………….. Signature: …………………………….. T TORORO TOWN COLLEGE MID OF TERM III ASSESSMENT Uganda Advanced Certificate of Education S.5 CHEMISTRY Paper 1 (𝑺𝒆𝒕 ……" (Format: PDF) — 814.02 KB, 10 pages. Added July 23, 2026.

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