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Class 9 Chemistry Entrance Tests: Certification Test 40

Metals Quiz App Download & PDF e-Book - 40

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MCQ: 40

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

Metals Textbook Tests: Class 9 Chemistry App & eBook Quiz

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Metals Quiz App (iOS & Android)

Metals Quiz App

Metals Quiz App (Android & iOS)

9th Grade Chemistry Quiz App

SAT Chemistry Quiz App (Android & iOS)

SAT Chemistry Quiz App

O Level Chemistry Quiz App (Android & iOS)

O Level Chemistry Quiz App