| Question | Answer |
| 1. Sodium bromide | 1 | 2. Potassium bromide | 1 | 3. Sodium sulphide | 1 | 4. Aluminium oxide | 1 | 5. Barium oxide | 1 | 6. Silver chloride | 1 | 7. Magnesium sulphide | 1 | 8. Zinc bromide | 1 | 9. Calcium chloride | 1 | 10. Lithium oxide | 1 | 11. Aluminium bromide | 1 | 12. Lithium sulphide | 1 | 13. Sodium chloride | 1 | 14. Magnesium bromide | 1 | 15. Potassium oxide | 1 | 16. Silver sulphide | 1 | 17. Zinc sulphate | 1 | 18. Lithium carbonate | 1 | 19. Lithium nitrate | 1 | 20. Calcium hydroxide | 1 | 21. Sodium carbonate | 1 | 22. Silver sulphate | 1 | 23. Magnesium nitrate | 1 | 24. Potassium carbonate | 1 | 25. Calcium nitrate | 1 | 26. Sodium sulphate | 1 | 27. Zinc hydroxide | 1 | 28. Sodium sulphate | 1 | 29. Barium carbonate | 1 | 30. Silver nitrate | 1 | 31. Magnesium sulphate | 1 | 32. Barium hydroxide | 1 | 33. Silver carbonate | 1 | 34. Copper (II) nitrate | 1 | 35. Copper (II) oxide | 1 | 36. Iron (II) iodide | 1 | 37. Iron (III) sulphate | 1 | 38. Iron (II) nitrate | 1 | 39. Iron (III) hydroxide | 1 | 40. Aluminium sulphate | 1 |
