CourseCourse QuestionQuestion

Cambridge IGCSE Chemistry (0620)

1. States of matter

2. Atoms, elements and compounds

3. Stoichiometry

4. Electrochemistry

5. Chemical energetics

6. Chemical reactions

7. Acids, bases and salts

8. The Periodic Table

10. Chemistry of the environment

11. Organic chemistry

12. Experimental techniques and chemical analysis

12.1 Experimental design

12.2 Acid–base titrations

12.3 Chromatography

12.4 Separation and purification

12.5 Identification of ions and gases

12.5.1—Anion tests

12.5.2—Cation tests using aqueous sodium

12.5.3—Gas tests: NH3 with damp red litmus

12.5.4—Use of a flame test to identify the

13. Assessed scientific skills

IGCSE/CAIE/Chemistry//Concept/12. Experimental techniques and chemical analysis/12.5 Identification of ions and gases/12.5.1—Anion tests

12. Experimental techniques and chemical analysis

Syllabus: 0620–2026–2027
Section: 12
Level: —

Exam analysis

Most tested topics

Experimental design
Acid–base titrations
Chromatography
Separation and purification
Identification of ions and gases