有無人知 these ion compound o既 colour ?? (~緊急!!!!)

1 Lithium iodide [colourless]
2 Iron (3) sulphate [yellow or brown]
3 Aluminium oxide [colourless]
4 Ammonium cardonate [colorless]
5 Sodium dicheomate [orange]

6 Sodium sulphide [colorless]
7 Cobalt hydroxide [if cobalt (II) then color is pink]
8 Cu(NO3)2 [blue]
9 KMNO4 [purple]
10 Mg3N4 [colorless]

11 Water [colorless]
12 Hydrogen sulphide [colorless]
13 CO2 [colorless]
14 NH3 [colorless]
15 Hydrogen chloride [colorless]

Assuming all the compounds are at room temperature.
1. White
2.Brown
3. White
4. White
5. I think you mean sodium dichromate, organe
6. White
7. Blue, unstable oxidized to Co(OH)3 black
8. Copper (II) nitrate, blue
9 Potassium permanganate, dark blue
10. Not known and not found, should be white
11-15. Colourless gases
14 Ammonia