Testing products chemistry
🇬🇧
In Inglés
In Inglés
Practique preguntas conocidas
Manténgase al día con sus preguntas pendientes
Completa 5 preguntas para habilitar la práctica
Exámenes
Examen: pon a prueba tus habilidades
Pon a prueba tus habilidades en el modo de examen
Aprenda nuevas preguntas
Popular en este curso
Aprende con fichas
Modos dinámicos
InteligenteMezcla inteligente de todos los modos
PersonalizadoUtilice la configuración para ponderar los modos dinámicos
Modo manual [beta]
El propietario del curso no ha habilitado el modo manual
Otros modos disponibles
Completa la oración
Escuchar y deletrearOrtografía: escribe lo que escuchas
elección múltipleModo de elección múltiple
Expresión oralResponde con voz
Expresión oral y comprensión auditivaPractica la pronunciación
EscrituraModo de solo escritura
Testing products chemistry - Marcador
También te puede interesar
También te puede interesar:
Testing products chemistry - Detalles
Niveles:
Preguntas:
27 preguntas
| 🇬🇧 | 🇬🇧 |
| Test and result for carbonate | Add dilute acid, effervescence (fizzing), carbon dioxide produced |
| Test and result of chloride | Acidify with dilute nitric acid, then add aqueous silver nitrate White ppt (percipitate) |
| Test and results for bromide | Acidify with dilute nitric acid, then add aqueous silver nitrate Cream ppt |
| Test and results for nitrate | Add aqueous sodium hydroxide, then aluminium foil; warm carefully Ammonia produced |
| Test and results for sulfate | Acidify, then add aqueous barium nitrate White ppt |
| Effect of aqueous sodium hydroxide on Ammonium | Ammonia produced on warming |
| Effect of aqueous sodium hydroxide on calcium | White ppt, insoluble in excess |
| Effect of aqueous sodium hydroxide on Copper (II) | Light blue ppt, insoluble in excess |
| Effect of aqueous sodium hydroxide on Iron (II) | Green ppt, insoluble in excess |
| Effect of aqueous sodium hydroxide on Iron (III) | Red-brown ppt, insoluble in excess |
| Effect of aqueous sodium hydroxide on Zinc | White ppt, soluble in excess, giving a colourless solution |
| Effect of aqueous ammonia on Calcium | No ppt or very slight white ppt |
| Effect of aqueous ammonia on Copper (II) | Light blue ppt, soluble in excess, giving a dark blue solution |
| Effect of aqueous ammonia on Iron (II) | Green ppt, insoluble in excess |
| Effect of aqueous ammonia on Iron (III) | Red-brown ppr, insoluble in excess |
| Effect of aqueous ammonia on Zinc | White ppt, soluble in excess, giving a colourless solution |
| Test and results for ammonia | Turns damp red litmus paper blue |
| Test and results for Carbon dioxide | Turns limewater milky or cloudy |
| Test and results for Chlorine | Bleaches damp litmus paper |
| Test and results for Hydrogen | Squeaky 'pop' with a lighted splint |
| Test and results for oxygen | Relights a glowing splint |
| Flame colour for sodium | Yellow |
| Flame colour for copper (II) | Blue-green |
| Flame colour for calcium? | Orange-red |