MCQ
ऐल्काइन है
- A$\mathrm{C}_{2} \mathrm{H}_{6}$
- B$\mathrm{C}_{2} \mathrm{H}_{4}$
- ✓$\mathrm{C}_{2} \mathrm{H}_{2}$
- D$\mathrm{CH}_{4}$
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