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Chemistry · Oct / Nov 2019 · Paper 11 · Question 28

5070Extraction of metals

Tin is a metal between iron and lead in the reactivity series. Which method is used for the extraction of tin from its ores?

  1. Aelectrolysis of the molten ore
  2. Bheat alone
  3. Cheat with aluminium powder
  4. Dheat with carbon

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Correct answer: D. heat with carbon

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