MCQOPTIONS
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				| 1. | 
                                    According to First law of thermodynamics, | 
                            
| A. | Total internal energy of a system during a process remains constant | 
| B. | Total energy of a system remains constant | 
| C. | Work-done by a system is equal to the heat transferred by the system | 
| D. | Internal energy, enthalpy and entropy during a process remain constant | 
| Answer» C. Work-done by a system is equal to the heat transferred by the system | |