Class 9 Chemistry Study App | Oxidation States MCQs e-Book PDF

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Class 9 Chemistry MCQs – Certification Test 50

Oxidation States MCQs (Question 50) – App & e-Book Download

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MCQ 50: The oxidation state of group IIIA metals is:

  1. -3
  2. 3
  3. 0
  4. 1

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