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The process of leaching alumina, using sodium carbonate is called

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Question

The process of leaching alumina, using sodium carbonate is called

  • Bayer's process
  • Decomposition
  • Cyanide process
  • Hall's process
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Solution

Hall’s process
In Hall’s process, the ore and sodium carbonate are fused to convert aluminium oxide into soluble sodium meta aluminate.

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2015-2016 (March)

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