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Download Class 9 Chemistry MCQ App | Oxidation and Reduction MCQ Apps (iOS & Android)

Class 9 Chemistry MCQ: Complete Course

Oxidation and Reduction MCQ App Download & PDF e-Book | 3

MCQ: 3

The process in which substance gains electrons is called

  1. oxidation
  2. hydrogenation
  3. sublimation
  4. reduction

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Oxidation and Reduction Apps (Android & iOS)

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