Precipitation +ve Ion Tests Flashcards
1
Q
Iron (II)
A
Add NaOH
Green
2
Q
Iron (III)
A
Add NaOH
Brown
3
Q
Copper 2+
A
Add NaOH
Blue
4
Q
Calcium 2+
A
White
Add NaOH
Precipitate does NOT dissolve with excess
5
Q
Aluminium 3+
A
Add NaOH
White
Precipitate dissolves with excess
6
Q
Ammonium (NH4+)
A
Add NaOH
Ammonia gas given off when warmed
Damp red litmus paper turns blue