Sieving is a technique used to separate mixtures containing 20% oxygen by volume. Which of

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Sieving is a technique used to separate mixtures containing 20% oxygen by volume. Which of the reactants was in excess?

  • A) Carbon (II) oxide
  • B) Oxygen
  • C) Carbon (IV) oxide
  • D) Nitrogen

Correct Answer: A) Carbon (II) oxide

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