Which among the following is an exothermic reaction ?
निम्न में से उष्माक्षेपी अभिक्रिया कौन है ?
| (1) 2 SO -> 2 SO, + 0, (2) Li, co→ LiO + CO,
| (3) 2 H, +0, → 2 H, ० (4) 2 HgO → 2Hg + 0,
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Which among the following is an exothermic reaction ?
निम्न में से उष्माक्षेपी अभिक्रिया कौन है ?
1) 2 SO -> 2 SO, + 0,
(2) Li, co→ LiO + CO,✔✔
(3) 2 H, +0, → 2 H, ०
(4) 2 HgO → 2Hg + 0,
Answer:- Li, co→ LiO + CO,
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