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  • Which of the following is not a redox reaction?
Multiple choice

Which of the following is not a redox reaction?

  1. Br2 + 2KI � 2KBr + I2

  2. 3Cu + 8HNO3 � 3Cu (NO3)2 + 2NO + 4H2O

  3. CaO + 2HCl � CaCl2 + H2O

  4. MnO2 + 4HCl � MnCl2 + Cl2 + 2H2O

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C Correct answer
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