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Chemistry · May / June 2019 · Paper 12 · Question 6

5070Giant covalent structures

A mineral deposit is found to contain small grains made entirely of the element carbon. Which property will definitely be true of the grains of carbon?

  1. AThey will be made of atoms arranged in layers.
  2. BThey will be soft.
  3. CThey will burn to give carbon dioxide.
  4. DThey will conduct electricity.

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Correct answer: C. They will burn to give carbon dioxide.

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