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Chapter-1 - 11th - Basic Concepts Preparation Multiple Questions and Answers.
| 46. | The least no of molecules is present in 30 g of: | ||
| A. | N2O | ||
| B. | NO | ||
| C. | NO2 | ||
| D. | N2O3 | ||
| 47. | How many atoms of carbon are present in 18 g of glucose C6H12O6: | ||
| A. | 6.02 x 1022 | ||
| B. | 3.6 x 1023 | ||
| C. | 6.0 x 1023 | ||
| D. | 3.6 x 1024 | ||
| 48. | The relative atomic mass of oxygen according to C -12.000 a.m.u standard is: | ||
| A. | Less than 16 | ||
| B. | More than 16 | ||
| C. | 16 only | ||
| D. | No relationship | ||
| 49. | An organic compound contains 2% of sulphur. The molar mass of compound is: | ||
| A. | 200 | ||
| B. | 800 | ||
| C. | 1600 | ||
| D. | 3200 | ||
| 50. | The mass of 0.5 mole of Aluminium is: | ||
| A. | 13 g | ||
| B. | 13.5 g | ||
| C. | 14 g | ||
| D. | 27 g | ||
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