ZIMSEC O-Level Chemistry
Qualitative analysis
Qualitative analysis in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic56 practice questions3 lessons
Overview
Form 4 (unnumbered row after 8.17.3 in the competency matrix).
Learning objectives
What the syllabus expects you to be able to do.
- 7.1.1.9Carry out tests to identify the cations Al³⁺, NH₄⁺, Mg²⁺, Pb²⁺, Cu²⁺, Fe²⁺, Fe³⁺, Cr³⁺ and Zn²⁺ and the anions Cl⁻, I⁻, NO₃⁻, SO₄²⁻ and CO₃²⁻.
- 7.1.1.10Describe tests to identify the gases ammonia, carbon dioxide, chlorine, hydrogen, oxygen and sulfur dioxide.
Lessons
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Tests for anions
25 min
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Tests for cations
30 min
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Tests for gases
25 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
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