NeetS Block ElementsNEET 2025MCQ+4 / -12025ENHIWhich one of the following reactions does NOT belong to "Lassaigne's test"?A$\mathrm{Na}+\mathrm{X} \xrightarrow[\Delta]{ }+\mathrm{NaX}$B$2 \mathrm{CuO}+\mathrm{C} \xrightarrow[\Delta]{ } 2 \mathrm{Cu}+\mathrm{CO}_2$C$\mathrm{Na}+\mathrm{C}+\mathrm{N} \underset{\Delta}{\longrightarrow} \mathrm{NaCN}$D$2 \mathrm{Na}+\mathrm{S} \underset{\Delta}{\longrightarrow} \mathrm{Na}_2 \mathrm{~S}$Check AnswerClear SelectionReveal AnswerShow Explanation