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ENTRANCE TEST – 2012 Multiple Questions and Answers.
| 12. | When 8 grams (4 moles) of H2 react with 2 moles of O2, how many moles of water will be formed? | ||
| A. | Five | ||
| B. | Four | ||
| C. | Six | ||
| D. | Three | ||
| 13. | The number of molecules in 22.4 dm3 of H2 gas at 0 °C and 1 atm are | ||
| A. | 60.2 x 1023 | ||
| B. | 6.02 x 1022 | ||
| C. | 6.02 x 1025 | ||
| D. | 6.02 x 1022 | ||
| 14. | Correct order of boiling points of the given liquid is | ||
| A. | H2O > HF > HCl > NH3 | ||
| B. | HF > H2O > HCl > NH3 | ||
| C. | H2O > HF > NH3 > HCl | ||
| D. | HF > H2O > NH3 > HCl | ||
| 15. | The relative energies of 4s, 4p and 3d orbitals are in the order | ||
| A. | 3d < 4p <4s | ||
| B. | 4s < 3d < 4p | ||
| C. | 4p < 4s < 3d | ||
| D. | 4p < 3d < 4s | ||
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