MCQOPTIONS
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				| 1. | 
                                    The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature. | 
                            
| A. | Boyle's law | 
| B. | Charle's law | 
| C. | Gay-Lussac law | 
| D. | Joule's law | 
| Answer» E. | |