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ENTRANCE TEST – 2014 Multiple Questions and Answers.
| 11. | Which one of the following noble gases is used for providing an inert atmosphere for welding? | ||
| A. | Helium | ||
| B. | Neon | ||
| C. | Argon | ||
| D. | Krypton | ||
| 13. | The pH of acid rain is | ||
| A. | 7 | ||
| B. | Between 5 and 7 | ||
| C. | Below 5 | ||
| D. | Between 7 and 14 | ||
| 14. | Which one of the following products is obtained when sulphur trioxide is absorbed in concentrated sulphuric acid? | ||
| A. | Oleum | ||
| B. | Aqua Regia | ||
| C. | Hydrogen sulphide | ||
| D. | Sulphate ion | ||
| 15. | Which one of the following compound is a ketone? | ||
| A. | CH3 ― O ― CH2 ― CH3 | ||
| B. | CH3 ― CO ― CH2 ― CH3 | ||
| C. | CH3COCOOH | ||
| D. | CH3 ― CH2CHO | ||
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