| MCQ | Answer | Area of Chemistry |
| 1. | A | [Isomers/ structural formulae] |
| 2. | D | [Electron Arrangement/ Properties/ Groups – Elements in the Periodic table] |
| 3. | C | [Alkanes] |
| 4. | A | [Properties/ Groups – Elements in the Periodic table] |
| 5. | C | [Naming Hydrocarbons] |
| 6. | C | [Naming/ Properties Hydrocarbons] |
| 7. | B | [Chemical Formulae – Ions] |
| 8. | A | [Isotopes] |
| 9. | ||
| a) | ZnSO4 | [Formulae – Roman Numerals] |
| b) | PbS | [Formulae – Roman Numerals] |
| c) | Ag2O | [Formulae – Roman Numerals] |
| d) | CaCO3 | [Formulae – Valency] |
| e) | K3PO4 | [Formulae – Valency] |
| f) | CaCrO4 | [Formulae – Valency] |
| 10. | ||
| A) | Al3+(Br–)3 | [Ionic Formulae] |
| B) | Na+Cl– | [Ionic Formulae] |
| C) | K+OH– | [Ionic Formulae] |
| D) | (Na+)2SO42- | [Ionic Formulae] |
| E) | K+Br– | [Ionic Formulae] |
| F) | Ca2+(Cl–)2 | [Ionic Formulae] |
| 11. | ||
| a) | methylbutane | |
| b) | butane | |
| c) | pent-2-ene | |
| d) | cyclopentane | |
| e) | 2,3-dimethylbutane | |
| f) | dimethylpropane | |
| 12. | ||
| a) |  |
|
| b) |  |
|
| c) |  |
|
| d) |  |
|
| e) |  |
|
| f) |  |
|
| 13. | Should be shortened structural formulae | |
| a) |  C7H14 |
|
| b) |  C5H10 |
|
| c) |  C7H14 |
|
| d) |  C6H14 |
|
| e) |  C3H6 |
|
| f) |  C6H14 |
