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Chemistry · May / June 2016 · Paper 12 · Question 16

5070Simple molecules and covalent bonds

Oil floats on water. Which statement is not true of oil and water?

  1. AOil and water are immiscible.
  2. BOil is less dense than water.
  3. CSome molecules in oil have a higher relative molecular mass than water.
  4. DThe type of bonding within water molecules is different from the type of bonding within molecules in oil.

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Correct answer: D. The type of bonding within water molecules is different from the type of bonding within molecules in oil.

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