Chemical Analysis Flashcards
1
Q
Test for Hydrogen
A
Lighted splint in gas goes ‘pop’
2
Q
Test for Oxygen
A
Glowing splint in gas relights
3
Q
Test for Carbon dioxide
A
Bubble gas through limewater. Bluewater goes cloudy
4
Q
Test for Ammonia
A
Damp red litmus paper turns blue
5
Q
Flame colour for Sodium
A
Yellow/Orange
6
Q
Flame colour for Potassium
A
Lilac
7
Q
Flame colour for Calcium
A
Brick red
8
Q
Flame colour for Copper (II)
A
Green
9
Q
Hydroxide precipitate colour for Iron (II)
A
Green
10
Q
Hydroxide precipitate colour for Iron (III)
A
Red/Brown
11
Q
Hydroxide precipitate colour for Copper (II)
A
Blue
12
Q
Silver halide precipitate colour for Chloride
A
White
13
Q
Silver halide precipitate colour for Bromide
A
Cream
14
Q
Silver halide precipitate colour for Iodide
A
Primrose yellow
15
Q
Test for Alkenes
A
Bromine water
Orange to colourless
