IGCSE Chemistry: Tests and gas tests for anions
0.0(0)
Studied by 7 people
Call with Kai
Knowt Play
Learn
Practice Test
Spaced Repetition
Match
FlashcardsCard Sorting
1/12
Earn XP
Description and Tags
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
13 Terms
1
New cards
ammonia (NH3)
turns damp, red litmus paper blue
2
New cards
carbon dioxide (CO2)
Turns limewater milky
3
New cards
Chlorine (Cl2) gas
bleaches damp litmus paper
4
New cards
hydrogen (H2)
'pops' with a lighted splint
5
New cards
oxygen (O2)
Relights a glowing splint
6
New cards
Sulfur Dioxide (SO2)
turns acidified aqueous potassium manganate(VII) from purple to colourless
7
New cards
carbonate (CO3 2-) - add dilute acid
effervescence, carbon dioxide produced
8
New cards
chloride (Cl-) - acidify with dilute nitric acid, then add aqueous silver nitrate
white ppt.
9
New cards
bromide (Br-) - acidify with dilute nitric acid, then add aqueuous silver nitrate
cream ppt.
10
New cards
iodide (I-) - acidify with dilute nitric acid, then add aqueuous silver nitrate
yellow ppt.
11
New cards
nitrate (NO3-) - add aqueous sodium hydroxide, then aluminium foil; warm carefully
ammonia produced
12
New cards
sulfate (SO4 2-) - acidify, then add aqeuous barium nitrate
white ppt.
13
New cards
sulfite (SO3 2-) - add dilute hydrochloric acid, warm grently and test for the presence of sulfur dioxide
sulfur dioxide produced will turn acidified aqeuous potassium manganate(VII) from purple to colourless
Note 
Flashcards (33)