Chapter-3 - 11th - Gases Preparation Multiple Questions and Answers.
Exercise Questions ::
Chemistry
| 1. | The free expansion of the gas from high pressure towards the low pressure causes |
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| A. | Increase of temperature |
| B. | Decrease of temperature |
| C. | Grater number of collisions among the molecules |
| D. | Decrease of velocity of gas molecules |
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Published by:Michael Daani
| 2. | Under which conditions of temperature and pressure will a real gas behave most like an ideal gas. |
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| A. | Low temperature and how pressure |
| B. | High temperature and high pressure |
| C. | Low temperature and high pressure |
| D. | High temperature and low pressure |
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Published by:Michael Daani
| 3. | If we plot a graph between I/V at x-axis and pressure at Y -axis |
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| A. | a parabolic graph is obtained |
| B. | By increasing temperature straight line move toward x axis |
| C. | By increases temperature straight line move toward y axis. |
| D. | No. change in line by increasing temperature. |
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Published by:Michael Daani
| 4. | Gases deviate from ideal behaviour at high pressure. Which of the following is correct for non-ideal behaviour of gases |
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| A. | At high pressure, the gas molecules move in one direction only |
| B. | At high pressure, the collisions between the gas molecules are increased |
| C. | At high pressure, the volume of the gas becomes insignificant |
| D. | At high pressure, the intermolecular attraction becomes significant |
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Published by:Michael Daani
| 5. | If the number of gas molecules are doubled in a certain volume of a gas, the pressure is. |
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| A. | Decreased to half |
| B. | Doubled |
| C. | Increased to four time |
| D. | Remains unchanged |
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Published by:Michael Daani
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