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| Q. |
A real gas can act as an ideal gas in - |
| A. | high pressure and low temperature |
| B. | low pressure and high temperature |
| C. | high pressure and high temperature |
| D. | low pressure and low temperature |
| Answer» B. low pressure and high temperature | |
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Explanation: Real gases approximate ideal gases when their pressure is relatively low, and their temperature reasonably high. A real gas deviates increasingly from ideality as it is compressed and cooled to near the point at which it will condense into a liquid. |
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