MCQ
निम्नलिखित में से ऊष्माशोषी अभिक्रिया कौनसी है-
- A$C _{( g )}+ O _{2(g)} \rightarrow CO _{2(g)}$
- ✓$N _{2(g)}+ O _{2(g)} \rightarrow 2 NO _{( f }$
- C$2 H _{2(g)}+ O _{2(g)} \rightarrow 2 H _2 O _{( l )}$
- D
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