| 31. | In determining kinetic equation of gases velocity of all molecules are not equal so we use |
| a. | square of velocity |
| b. | mean square velocity |
| c. | under root of velocity |
| d. | cube of velocity |
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Answer: (b).mean square velocity
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| 32. | Graph for Boyle's law is called |
| a. | isotherm |
| b. | hypertherm |
| c. | hypotherm |
| d. | none of these |
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Answer: (a).isotherm
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| 33. | Density of a gas is directly proportional to |
| a. | molar mass |
| b. | pressure |
| c. | temperature |
| d. | rate of diffusion |
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Answer: (a).molar mass
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| 34. | Gases when mixed in liquids |
| a. | shifts |
| b. | slows down |
| c. | rise up |
| d. | go down |
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Answer: (c).rise up
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| 35. | Molecules in pressure correction equation which attracts other molecules inward are termed as |
| a. | Type A |
| b. | Type B |
| c. | Type C |
| d. | Type D |
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Answer: (b).Type B
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