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O Level Chemistry Study Material: Certification Test 533

Oxidation and Reduction Learning App & e-Book: MCQ 533

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MCQ: 533

While passing hydrogen overheated CuO(s), black color is oxidized to

  1. golden color
  2. pink color
  3. blue color
  4. colorless

Oxidation & Reduction Study Material: O Level Chemistry App & eBook Notes

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