Chemistry AQA GCSE C1

Several C1 topics

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1. Following phytomining and bioleaching, which of the following processes can be used to purify the copper?

  • Smelting
  • Electrolysis
  • Fractional distillation
  • React with carbon
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2. What is one of the disadvantages of electrolysis

  • It is expensive
  • It doesn't always work
  • It is a waste of time
  • It is a difficult process

3. In bioleaching, what is grown and made into a solution in copper ore?

  • Fungus
  • Miley Cyrus
  • Bacteria
  • Plants

4. What is the first step for extracting copper from a high grade ore?

  • Displacement
  • Smelting
  • Bioleaching
  • Electrolysis

5. What is the problem with extracting copper from ores?

  • It requires a lot of work
  • Copper rich ores are running out
  • It is expensive
  • It cannot be done

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