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ENTRANCE TEST – 2011 Multiple Questions and Answers.
| 22. | In contact process, the catalyst used for the conversion of Sulphur dioxide to Sulphur trioxide is: | ||
| A. | Magnesium oxide | ||
| B. | Aluminum oxide | ||
| C. | Silicon dioxide | ||
| D. | Vanadium pentoxide | ||
| 23. | The unpolluted natural rain water is slightly acidic due to the reaction of rain water with: | ||
| A. | Sulphur dioxide | ||
| B. | Oxides of nitrogen | ||
| C. | Carbon dioxide | ||
| D. | Hydrogen present in air | ||
| 24. | In the Haber's process for the manufacturing of ammonia, nitrogen is taken from: | ||
| A. | Proteins occurring in living bodies | ||
| B. | Ammonium salts obtained industrially | ||
| C. | Air | ||
| D. | Mineral containing nitrates | ||
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