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Class 9 Chemistry MCQ: Complete Course

Metals MCQ App Download & PDF e-Book - 99

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MCQ: 99

The oxide of aluminum is

  1. acidic
  2. basic
  3. neutral
  4. amphoteric

Class 9 Chemistry App & e-Book Tests PDF Download

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Metals MCQ App (iOS & Android)

Metals MCQ App

Metals MCQ App (Android & iOS)

9th Grade Chemistry MCQ App

College Chemistry MCQ App (Android & iOS)

College Chemistry MCQ App

10th Grade Chemistry MCQ App (Android & iOS)

10th Grade Chemistry MCQ App