In the extraction of sodium by Down's process. cathode and anode respectively are

In the extraction of sodium by Down's process. cathode and anode respectively are
  1. copper and nickel
  2. copper and chromium
  3. nickel and chromium
  4. iron and graphite

Solution

In the Down's process of extraction of sodium. Anode - Graphite Cathode - Iron Electrolyte

Asked in: AP EAMCET 2004

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