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Chapter-3 - 11th - Gases Preparation Multiple Questions and Answers.
| 16. | The diffusion of gases at absolute zero will be | ||
| A. | Unchanged | ||
| B. | Slightly decreased | ||
| C. | Slightly increased | ||
| D. | Zero | ||
| 18. | Which one has the lowest density at room temperature? | ||
| A. | Ne | ||
| B. | N2 | ||
| C. | NH3 | ||
| D. | CO | ||
| 19. | The introduction of the Kelvin scale in thermometry is according to | ||
| A. | Boyles law | ||
| B. | Charles law | ||
| C. | Daltons law | ||
| D. | Grahams law | ||
| 20. | 0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same | ||
| A. | Value of a | ||
| B. | Mass | ||
| C. | Atoms | ||
| D. | Both B and C | ||
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