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Question 39Asked in RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM)

A bright metal turns dull over time due to oxidation. What is this process called?

  1. ACorrosion
  2. BSublimation
  3. CFiltration
  4. DEvaporation
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Correct answer: (A) Corrosion

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM)

This is question 39 of RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM). 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.