Essential Chemistry for IGCSE - Chemical Reactions (Section 4 - No. 24)
Which of the following is an example of a redox reaction?
HCl + NaOH -> NaCl + H₂O
AgNO₃ + NaCl -> AgCl + NaNO₃
2H₂ + O₂ -> 2H₂O
All of the above
Explanation
2H₂ + O₂ -> 2H₂O is a redox reaction. Hydrogen is oxidized, and oxygen is reduced.
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