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Class 9 Biology Study App Download | Oxidation Reduction Reactions Study Apps (iOS & Android)

Class 9 Biology MCQs: Complete Course

Oxidation Reduction Reactions MCQs App Download & e-Book | 800

MCQ: 800

The gain of hydrogen atoms from a molecule results in

  1. loss of neutrons
  2. loss of protons
  3. loss of electron
  4. gain of electrons

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Oxidation Reduction Reactions Apps (Android & iOS)

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