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O Level Chemistry MCQs – Certification Test 822

Oxidation Reduction Reactions MCQs (Question 822) – App & e-Book Download

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MCQ: 822

When dichromate (VI) ion becomes reduced to chromium (III) ion, a change of color occurs from

  1. purple to pink
  2. purple to colorless
  3. orange to purple
  4. orange to green

Oxidation Reduction Reactions Textbook Tests – O Level Chemistry App & e-Book MCQs

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