Class 9 Courses

Class 9 Chemistry App's Tests

Class 9 Chemistry e-Book's MCQs - Complete

Metals App MCQs Download & e-Book - 40

MCQ:

As we move across the period from left to right, the reactivity of metals with oxygen

  1. decreases
  2. increases
  3. remains same
  4. zero

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Metals App (Android & iOS)

Metals 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)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (iOS & Android)