4266040
Descripción
Fichas por Joshua Rees, actualizado hace más de 1 año
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Creado por Joshua Rees
hace más de 8 años
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| Pregunta | Respuesta |
| Dilute nitric acid is added followed by some silver nitrate solution. A cream precipitate forms. | Bromide ions. |
| Sodium hydroxide is added followed by aluminium powder or foil. The gas given off has a characteristic choking smell and turns red litmus paper blue. | Nitrate ions. |
| Dilute hydrochloric acid is added followed by some barium chloride solution. A white precipitate forms. Also, give the name of the precipitate. | Sulphate ions (barium sulphate is the precipitate) |
| Dilute nitric acid is added followed by some silver nitrate solution. A yellow precipitate forms. | Iodide ions. |
| A few drops of sodium hydroxide solution is added. The gas given off has a characteristic choking smell and turns red litmus paper blue. Also, give the name of the gas given off. | Ammonium ions (ammonia is the gas) |
| Dilute nitric acid is added followed by some silver nitrate solution. A white precipitate forms. | Chloride ions. |
| Dilute hydrochloric acid is added to the solution. The gas given off turns limewater cloudy/milky. Also, give the name of the gas given off. | Carbonate ions (carbon dioxide is the gas) |
| A liquid is blue in colour. What transitional metal ions are most likely to be present? | Copper ions. |
| A liquid is orange-brown in colour. What transitional metal ions are most likely to be present? | Iron (III) ions. |
| A liquid is green in colour. After being left to stand, it turns orange-brown in colour. What transitional metal ions are most likely to be present? | Iron (II) ions. |
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