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12 questions from this quiz
Water produces H+H^+H+ and OH−OH^-OH− ions
H+H^+H+ and OH−OH^-OH−
The less reactive ion
The ion oxidised more easily
Cu2+Cu^{2+}Cu2+
Solid copper
OH−OH^-OH−
Oxygen
H+H^+H+
Hydrogen gas
Cl−Cl^-Cl−
Chlorine gas
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