Across
- 2. – Ion tested with BaCl₂ giving white precipitate
- 5. – Positive ion formed from a base (e.g., Cu²⁺)
- 8. – Ion giving CO₂ with dilute acid (CO₃²⁻)
- 11. – Solid left on filter paper
- 13. – Insoluble solid that separates from solution
- 14. – Indicator used to test gas acidity/alkalinity
- 15. – Substance that absorbs water from air and dissolves
- 16. – Test where metal ions give characteristic colours
Down
- 1. – Solid formed when two solutions react
- 3. – Substance that absorbs moisture without dissolving
- 4. – Crystalline solid that loses water of crystallisation
- 6. – Gas with pungent smell, turns red litmus blue
- 7. – Ion giving white precipitate with AgNO₃
- 9. – Ion tested by brown ring test
- 10. – Liquid that passes through filter paper
- 12. – Bubbling/fizzing seen when gas is released