Oxidation is the _________ of electrons.
  • loss
  • gain
  • sharing
  • transfer
Reduction is the ___________ of electrons.
  • loss
  • gain
  • sharing
  • transfer
The forward reactions in the Electrochemical Series are examples of...
  • Oxidation
  • Reduction
Gaining hydrogen is an example of...
  • oxidation
  • reduction
Gaining oxygen is an example of...
  • oxidation
  • reduction
Which of the following represents oxidation?
  • C → CH4
  • Fe3+ → Fe2+
  • Cl2 → 2Cl-
  • Zn → ZnO
Which of the following represents reduction?
  • C →  CO
  • N2 →  NH3
  • Zn  →   Zn2+ 
  • H2 →  H2O
Which statement is true:Mg → Mg2+ + 2e–
  • Mg gains 2 electrons
  • Mg2+ loses 2 electrons
  • Mg loses 1 electron
  • Mg loses 2 electrons
Which element is oxidised in the reaction Zn + 2HCl  →\rightarrow→   ZnCl2 + H2  \   
  • Zinc
  • Hydrogen
  • Chlorine
  • None
A redox equation has...
  • electrons on the left side
  • electrons on the right side
  • electrons on both sides
  • no electrons on either side
In a redox reaction, spectator ions...
  • become oxidised
  • become reduced
  • remain unchanged
0:0:1



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