Cambridge (CAIE) · IGCSE
Chemistry question 3
0620/42 · Oct/Nov 2025 · Theory (Extended)
Syllabus topics
- The mole and the Avogadro constant
- Identification of ions and gases
- The characteristic properties of acids and bases
- Acid–base titrations
- Preparation of salts
Question 3
0620/42 · Oct/Nov 2025