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12 questions from this quiz
Water can also undergo electrolysis
H+H^+H+ and OH−OH^-OH− ions
Ions from compound and H+H^+H+/OH−OH^-OH−
The less reactive ion
The ion oxidised more easily
Cu2+Cu^{2+}Cu2+ and H+H^+H+ ions
Copper is less reactive than hydrogen
Solid copper deposits on cathode
SO42−SO_4^{2-}SO42− and OH−OH^-OH− ions
Oxygen gas and water
H+H^+H+ ions are reduced instead
Halide ions are usually oxidised
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