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ENTRANCE TEST – 2012 Multiple Questions and Answers.
| 37. | In the Haber process for manufacturing of ammonia, Nitrogen is taken from | ||
| A. | Proteins occurring in living bodies | ||
| B. | Ammonium salts obtained industrially | ||
| C. | Air | ||
| D. | Minerals containing nitrates | ||
| 38. | Ethene on polymerization, gives the product polyethene. This reaction may be called as | ||
| A. | Addition | ||
| B. | Condensation | ||
| C. | Substitution | ||
| D. | Pyrolysis | ||
| 39. | In the following, which one is free radical? | ||
| A. | Cl― | ||
| B. | Cl+ | ||
| C. | Cl2 | ||
| D. | Clo | ||
| 40. | In substitution reactions, dihaloalkane or secondary halogenoalkane give / show: | ||
| A. | SN1 Mechanism | ||
| B. | SN2 Mechanism | ||
| C. | Both E1 and E2 | ||
| D. | Both SN1 and SN2 | ||
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