2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. General Concepts of Chemistry

Railways General Science & Technology General Concepts of Chemistry Sample Paper General Concepts of Chemistry Sample Test Paper-22

  • question_answer
    Oxidation involves

    A)  Loss of electron

    B)  gain of electrons

    C)  Both [a] and [b]

    D)  None of these

    Correct Answer: A

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