When lead nitrate is heated, it decomposes to form lead monoxide (PbO), nitrogen dioxide (NO₂), and oxygen (O₂). The brown gas seen during the reaction is:
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Correct answer: (A) nitrogen dioxide (NO₂)
From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 1 (9:00 AM)
This is question 16 of RRB JE CBT-1 PYQ 18 Dec 2024, 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.