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Question 10Asked in RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM)

Which of the following metals is NOT refined by electrolytic refining?

  1. Asodium
  2. Bcopper
  3. Ctin
  4. Dzinc
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Correct answer: (A) sodium

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 1 (9:00 AM)

This is question 10 of RRB JE CBT-1 PYQ 19 Feb 2026, Shift 1 (9:00 AM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.