C8 Flashcards
(26 cards)
Flame test for lithium
Crimson
Flame test for sodium
Yellow
Flame test for potassium
Lilac
Flame test for calcium
Red
Flame test for barium
Green
Flame test for copper
Blue/green
Flame test for aluminium
No colour
Flame test for magnesium
No colour
Flame test for iron (II)
No colour
Flame test for ion (III)
No colour
Test for hydrogen
Test : lit splint
Observation: makes a squeaky pop
Test for oxygen
Test : glowing splint
Observation: relights
Test for carbon dioxide
Test : bubble through limewater
Observation : goes cloudy
Test for chlorine
Test : damp blue litmus paper
Observation: bleached white
Test for aluminium ion
Add sodium hydroxide
White precipitate then dissolves
Test for calcium ion
Add sodium hydroxide
White precipitate
Test for magnesium ion
Add sodium hydroxide
White precipitate
Test for copper ion
Add sodium hydroxide
Light blue precipitate
Test for iron (II) ion
Add sodium hydroxide
Grey / green precipitate
Test for iron (III) ion
Add sodium hydroxide
Orange precipitate
What do you add to test for halide ions
Silver nitrate
Test for chloride
Add silver nitrate
White precipitate
Test for bromide
Add silver nitrate
Cream precipitate
Test for iodide
Add silver nitrate
Yellow precipitate