Class 9 Courses

Grade 9 Chemistry Tests: Download App & e-Book

Class 9 Chemistry Quiz - Complete Course

Class 9 Chemistry: Oxidation Reduction and Reactions App's Quiz Download & e-Book - 93

MCQ: 93

Lead and Zinc metals occur naturally as

  1. oxides
  2. sulphite ores
  3. carbon ores
  4. chloride ores

Class 9 Chemistry App & e-Book Tests PDF Download

Oxidation Reduction and Reactions Learning App: Free Download Android & iOS

The App: Oxidation Reduction and Reactions Quiz App to learn Oxidation Reduction and Reactions Notes, 9th Grade Chemistry Quiz App, and 10th Grade Chemistry Quiz App. The "Oxidation Reduction and Reactions Quiz" App to free download 9th Grade Chemistry App (iOS & Android) includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Oxidation Reduction and Reactions App (Android & iOS)

Oxidation Reduction and Reactions 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)