Chemistry 5070 · O Level · Elements, compounds and mixtures

Elements, compounds and mixtures — practice question

W represents ethene, X represents air, Y represents iodine and Z represents brass. Which row gives the correct answer?

  • Aelement: W, compound: Z, mixture: X and Y
  • Belement: W, compound: Y, mixture: X and Z
  • Celement: Y, compound: W and Z, mixture: X
  • Delement: Y, compound: W, mixture: X and Z

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