Class 9 Courses

Class 9 Chemistry App's Tests

Class 9 Chemistry e-Book's MCQs - Complete

Periodicity and Properties MCQ App & e-Book Download - 57

MCQ:

The energy required to remove an electron from the outermost shell is called

  1. potential energy
  2. kinetic energy
  3. mechanical energy
  4. ionization energy

Class 9 Chemistry App & e-Book Tests PDF Download

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Periodicity and Properties App (Android & iOS)

Periodicity and Properties App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (iOS & Android)