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| Q. |
Which of the following statement about Vanc der Waal's equation is valid? |
| A. | Pulsejet |
| B. | It represents a straight line on pv versus v plot |
| C. | The equation is valid for diatomic gases only |
| D. | It is valid for all pressures and temperatures |
| E. | It has three roots of identical value at the critical point |
| Answer» E. It has three roots of identical value at the critical point | |
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