Science Quiz / OCR Chemistry Colours

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Can you identify the colours of required OCR A2 chemistry chemicals?

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Score 0/32 Timer 05:00
Compound (state)Colour
Cl2 in water
Br2 in water
I2 in water
Cl2 in cyclohexane
Br2 in cyclohexane
I2 in cyclohexane
CaCO3 (s)
BaSO4 (s)
AgCl (s)
AgBr (s)
AgI (s)
[Co(H2O)6] 2+ (aq)
(CoCl4) 2- (aq)
[Cu(H2O)6] 2+ (aq)
[Cu(NH3)4(H2O)2] 2+ (aq)
[Cu(Cl)4] 2- (aq)
Compound (state)Colour
[Cr(H2O)6] 3+ (aq)
Cr(OH)3 (s)
[Cr(NH3)6] 3+ (aq)
Cu(OH)2 (s)
Fe(OH)2 (s)
Fe(OH)3 (s)
Mn(OH)2 (s)
MnO4 - (aq)
Cr2O7 2- (aq)
Cr 3+ (aq)
Cr 2+ (aq)
CuI (s)
I2 (aq)
Cu (s)
CuSO4 (aq)
[Cr(OH)6] 3- (aq)

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