Detecting Positive Ions By Ppt with sodium hydroxide sol. Flashcards
1
Q
Calcium
A
White
2
Q
Copper
A
Blue
3
Q
Iron 11
A
Sludgy green
4
Q
Iron111
A
Reddish brown
5
Q
Aluminium
A
White ppt then redissolves in excess NaOH to form colourless solution
6
Q
Magnesium
A
White
7
Q
Ammonium
A
No ppt but gives off ammonia (turns red litmus paper blue) on warming.