Colour Flashcards
(34 cards)
1
Q
Compound
A
Color
2
Q
Copper(II) sulfate (CuSO₄)
A
Blue
3
Q
Potassium permanganate (KMnO₄)
A
Purple
4
Q
Copper(II) nitrate (Cu(NO₃)₂)
A
Blue
5
Q
Copper(II) chloride (CuCl₂)
A
Green
6
Q
Nickel(II) sulfate (NiSO₄)
A
Green
7
Q
Nickel(II) chloride (NiCl₂)
A
Green
8
Q
Iron(III) chloride (FeCl₃)
A
Yellow
9
Q
Iron(II) sulfate (FeSO₄)
A
Light green
10
Q
Iron(III) sulfate (Fe₂(SO₄)₃)
A
Brown
11
Q
Chromium(III) oxide (Cr₂O₃)
A
Green
12
Q
Chromium(VI) oxide (CrO₃)
A
Red
13
Q
Lead(II) iodide (PbI₂)
A
Yellow
14
Q
Zinc oxide (ZnO)
A
White (turns yellow when hot)
15
Q
Manganese dioxide (MnO₂)
A
Black
16
Q
Silver chloride (AgCl)
A
White
17
Q
Silver bromide (AgBr)
A
Pale yellow
18
Q
Silver iodide (AgI)
A
Yellow
19
Q
Barium sulfate (BaSO₄)
A
White
20
Q
Calcium carbonate (CaCO₃)
A
White
21
Q
Formula
A
Colour
22
Q
CuS
A
Black
23
Q
FeS
A
Black
24
Q
Fe2S3
A
Black
25
ZnS
White
26
PbS
Black
27
CdS
Yellow
28
Hg2S
Black
29
HgS
Red (Cinnabar) or Black (Metacinnabar)
30
NiS
Black
31
CoS
Black
32
As2S3
Yellow
33
Sb2S3
Orange-red
34
Bi2S3
Black
