Which metal releases the most heat when reacting with excess hydrochloric acid?
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Correct answer: (D) Magnesium
From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM)
This is question 91 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.