MCQ
ऐल्कोहॉल के निर्जलीकरण का सही क्रम है-
- A$1^{\circ} > 2^{\circ} > 3^{\circ}$
- ✓$3^{\circ} > 2^{\circ} > 1^{\circ}$
- C$2^{\circ} > 1^{\circ} > 3^{\circ}$
- D$1^{\circ} > 3^{\circ} > 2^{\circ}$
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