R

Ram Sharma • 193.88K Points
Coach Chemistry

Q. Which among the given is not a method of preparing oxygen

  • (A) Decomposition of potassium permanganate
  • (B) Electrolysis of water
  • (C) Decomposition of manganese dioxide
  • (D) Fractional distillation of liquid air
  • Correct Answer - Option(C)
  • Views: 321
  • Filed under category Chemistry

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