Class 9 Courses

Class 9 Chemistry App's Tests

Class 9 Chemistry e-Book's MCQs - Complete

Metals App MCQs Download & e-Book - 28

MCQ:

On contact with oxygen, Rubidium forms

  1. normal oxide
  2. per oxide
  3. super oxide
  4. trioxide

Class 9 Chemistry App & e-Book Tests PDF Download

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Metals App (Android & iOS)

Metals App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (iOS & Android)