precipitates Flashcards
1
Q
aluminium ion
A
Al3+
2
Q
aluminium precipitate colour
A
white
3
Q
aluminium in sodium hydroxide excess
A
soluble
4
Q
aluminium in ammonia
A
no change
5
Q
calcium ion
A
Ca2+
6
Q
calcium precipitate colour
A
white
7
Q
calcium in excess sodium hydroxide
A
insoluble
8
Q
calcium in ammonia
A
dissolves
9
Q
copper (ii) ion
A
Cu2+
10
Q
copper (ii) precipitate colour
A
blue
11
Q
copper (ii) in excess sodium hydroxide
A
insoluble
12
Q
copper (ii) in ammonia
A
dissolves
13
Q
iron (ii) ion
A
Fe2+
14
Q
iron (ii) precipitate colour
A
blue-green
15
Q
iron (ii) in excess sodium hydroxide
A
insoluble
