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A Level Chemistry MCQs – Certification Test 984

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MCQ: 984

In Phosphoric acid H3PO4, the oxidation state of Phosphorus is

  1. +1
  2. +3
  3. +5
  4. +7

Oxides of Period 3 Elements Textbook Tests – A Level Chemistry App & e-Book Quiz

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A level Chemistry Quiz App (Android & iOS)

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