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Created by Emerson Dobbs
about 9 years ago
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Question | Answer |
Cu | Brown solid |
Cu2+ | Blue ion |
SO2 | Colourless gas |
SO4 2- | Colourless ion |
Mn 2+ | Colourless ion |
H+/MnO4 - | Purple ion |
H2O2 | Colourless liquid |
O2 | Colourless gas |
H2O | Colourless liquid |
Cr 3+ | Blue/Green ion |
Cr2O7 2- | Orange ion |
Fe 2+ | Pale green ion |
Fe 3+ | Orange ion |
Cl - | Colourless ion |
Cl2 | Pale green gas |
Br - | Colourless ion |
Br2 | red/orange liquid |
H2 | Colourless gas |
H + | Colourless ion |
MnO2 | Brown precipitate |
H2O/MnO4 - | Purple ion |
MnO4 2- | Green ion |
OH-/MnO4- | Purple ion |
I - | Colourless ion |
I2 (in I - = I3 -) | Brown solution |
IO3 - | Colourless ion |
H2S | Colourless gas |
S | Yellow/White solid |
Pb 2+ | Colourless ion |
PbO2 | Brown solid |
NO2 | Brown gas |
NO3 - | Colourless ion |
C2O4 2- | Colourless ion |
CO2 | Colourless gas |
S2O3 2- | Colourless ion |
S4O6 2- | Colourless ion |
Br2 | red/orange liquid |
BrO3 - | Colourless ion |
Turns blue/black with starch solution | I2 |
Forms a white precipitate with acidified barium chloride solution | SO4 2- |
Forms a blood-red solution with potassium thiocynate solution | Fe 3+ |
Turns damp starch-iodide paper blue/black | Cl2 |
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