Why is nitrogen gas used to prevent oxidation in bags containing foods such as chips?
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Correct answer: (B) Nitrogen gas inhibits oxidation by replacing oxygen.
Correct answer: (B) Nitrogen gas inhibits oxidation by replacing oxygen.
This is question 62 of RRB JE CBT-1 PYQ 20 Feb 2026, Shift 2 (12:45 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.