
Chemical Tests: Flame & Gases – Lesson, Worksheet & Practicals
Edexcel IGCSE Chemistry | Unit 2.44–2.46 | Lesson 34
OverviewThis double practical lesson introduces students to the identification of gases and cations using simple, observable tests. It includes two hands-on activities: one for testing common gases (H₂, O₂, CO₂, NH₃, Cl₂), and another for performing flame tests to identify metal ions by colour. Ideal for introducing qualitative analysis.
Specification Covered- 2.44: Describe tests for hydrogen, oxygen, carbon dioxide, ammonia, and chlorine
- 2.45: Describe how to carry out a flame test
- 2.46: Know the flame colours for Li⁺, Na⁺, K⁺, Ca²⁺, and Cu²⁺
- Editable PowerPoint Lesson (Theory + Two Practicals + Tasks)
- Student Worksheet
- Flame test and gas test practical instructions
- Tables for observations and guided questions
- Fully aligned with Edexcel IGCSE Chemistry Unit 2
- Covers two essential qualitative practicals with clear safety reminders
- Reinforces lab observation skills with focused outcomes
- Summarises flame colour results and gas test reactions
- Clean Synapse Science visual layout for consistency
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