|
Salt or metal oxide |
Solid |
Aqueous solution |
| Salt of Sodium, Calcium, Magnesium, Aluminium, zinc, Lead, ammonium |
White |
Colourless |
| Salt of Chloride, sulphate, nitrate, carbonate |
White |
Colourless |
| Salt of Copper(II).- | ||
| Copper(II) Carbonate |
Green |
– |
| Copper(II) sulphate, Copper(II) nitrate, Copper(II) chloride |
Blue |
Blue |
| Copper(II) oxide |
Black |
– |
| Salt of Iron (II): Iron(II) sulphate; Iron(II) nitrate; Iron(ID chloride |
Green |
Green |
| Salt of Iron (III): Iron(III) sulphate; Iron(III) nitrate; Iron(III) chloride |
Brown |
Brown |
| Zink oxide |
Yellow when it is hot and white when it is cold. |
– |
| Lead(II) oxide- |
Brown when it is hot and yellow when it is cold. |
– |
| Magnesium oxide, Aluminium oxide |
White |
Insoluble |
| Potassium oxide, Sodium oxide, Calcium oxide |
White |
Colourless |