2025-chemistry-f3-pp1-ms-end-t3-s2-teacher_co_ke
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UPLOADED BY Unknown
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DATE 07 Dec 2025
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SIZE 1.95 MB
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notes
About This Document
Document Type: This is a Exam Paper, designed for Testing knowledge and exam technique.
Context: Standard material from the 2025 academic period.
Key Content: Likely covers essential definitions, problem solving, and structured questions to test your proficiency.
Study Strategy: Attempt these questions under timed conditions to simulate a real exam environment, then check against your notes.
Recommendation: comprehensive resource for students aiming to achieve top grades in their final assessments.
Detailed Content Overview
Introduction
This notes resource titled "2025-chemistry-f3-pp1-ms-end-t3-s2-teacher_co_ke" provides comprehensive exam preparation materials designed to test and enhance your understanding. This resource is structured to facilitate effective learning and retention of important information.
Key Topics Covered
Learning Objectives
- Master key concepts required for examination success
- Practice answering exam-style questions effectively
- Develop time management skills for timed assessments
- Identify and address knowledge gaps in understanding
Detailed Summary
END YEAR EXAMINATIONS 2025 CHEMISTRY PAPER 1 233/1 TIME 2 HOURS MARKING SCHEME INSTRUCTIONS TO CANDIDATES Download this and other FREE materials from https://teacher. ke/notes • • • • Write your name and Admission Number in the spaces provided above. Answer ALL questions in the spaces provided. Mathematical tables and electronic calculators may be used. All workings MUST be clearly shown where necessary. Explain why burning magnesium continues to burn in a gas jar full of Sulphur (IV) oxide while a burning splint would be extinguished. Heat from magnesium splits✓1 Sulphur(iv) oxide into Sulphur and oxygen, the oxygen ✓1 supports burning. Heat from burning splint is not hot ✓1 enough to split Sulphuric oxide Draw structural formulae and name two positional isomers with molecular formula C4H8. (2 marks) H H H H H H H H C ═ C─ C─ C H H C ─C═ C─C H H H H H But-1-ene (✓½) H but-2-ene✓½ 3. Dry Hydrogen chloride gas was made to dissolve in water using the set of apparatus shown below (a) What is the use of the inverted funnel.
Study Tips & Recommendations
Time Management
Practice under timed conditions to improve speed and accuracy. Allocate specific time limits to each section.
Active Practice
Attempt all questions before checking answers. Review mistakes to understand where improvements are needed.
Mark Scheme Review
Study marking schemes carefully to understand how examiners award points and structure your answers accordingly.
Regular Review
Schedule periodic reviews to reinforce learning and combat forgetting. Use spaced repetition for optimal retention.
Content Preview
Name…………………………………………… ADM No…………………Class…………………. END YEAR EXAMINATIONS 2025 CHEMISTRY PAPER 1 233/1 TIME 2 HOURS MARKING SCHEME INSTRUCTIONS TO CANDIDATES Download this and other FREE materials from https://teacher.co.ke/notes • • • • Write your name and Admission Number in the spaces provided above. Answer ALL questions in the spaces provided. Mathematical tables and electronic calculators may be used. All workings MUST be clearly shown where necessary. 1. Explain why burning magnesium continue...
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