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| Pregunta | Respuesta |
| What is the flame colour for potassium? | Lilac |
| What is the flame colour for calcium? | Red |
| What is the flame colour for lithium? | Crimson |
| What is the flame colour for sodium? | Yellow |
| what is the flame colour for Barium? | Green |
| Which ions give a white precipitate when reacted with sodium hydroxide? | Aluminium, calcium, magnesium |
| Which of the previous ion re-dissolves in excess sodium hydroxide? | Aluminium |
| What is the colour of copper's precipitate? | Blue |
| What clour is Fe(II)'s precipitate? | Green |
| What colour is Fe(III)'s precipitate? | Brown |
| How do we test for halide ions? | Add Silver nitrate solution with nitric acid. |
| What colour is a chloride precipitation? | White |
| What colour is a bromide precipitation? | Cream |
| What colour is an iodide precipitation? | Yellow |
| What is the test for sulphate ions? | add barium chloride and dilute hydrochloric acid (white precipitation in the presence of sulphate ions) |
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