Testing products chemistry
🇬🇧
In English
In English
Practice Known Questions
Stay up to date with your due questions
Complete 5 questions to enable practice
Exams
Exam: Test your skills
Test your skills in exam mode
Learn New Questions
Popular in this course
Learn with flashcards
Manual Mode [BETA]
The course owner has not enabled manual mode
Other available modes
Complete the sentence
Listening & SpellingSpelling: Type what you hear
multiple choiceMultiple choice mode
SpeakingAnswer with voice
Speaking & ListeningPractice pronunciation
TypingTyping only mode
Testing products chemistry - Leaderboard
You may also like
You may also like:
Testing products chemistry - Details
Levels:
Questions:
27 questions
| 🇬🇧 | 🇬🇧 |
| 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 |