1
Q
what do you use for hydroxide tests?
A
sodium hydroxide solution
2
Q
iron 3
A
brown precipitate
3
Q
iron 2
A
green precipitate
4
Q
copper 2
A
blue precipitate
5
Q
if the white precipitate dissolves
A
aluminium is present
6
Q
white precipitate
A
calcium and magnesium
7
Q
brown precipitate
A
iron 3
8
Q
green precipitate
A
iron 2
9
Q
blue precipitate
A
copper 2
