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Chemistry · Oct / Nov 2019 · Paper 12 · Question 32

5070Alkenes

A student investigates the properties of a colourless organic liquid. Which observation shows that the liquid is unsaturated?

  1. AIt decolourises aqueous bromine.
  2. BIt has a sweet smell.
  3. CIt is a good solvent for organic compounds.
  4. DIt produces carbon dioxide when burned.

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Correct answer: A. It decolourises aqueous bromine.

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