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				| 1. | What is the variation of cp, cv and k in case of gases when the temperature increases? | 
| A. | cp and cv decreases with temperature, and k increases | 
| B. | cp and cv increase with temperature, and k decreases | 
| C. | cp and cv increase with temperature, and k increases | 
| D. | cp and cv decreases with temperature, and k decreases | 
| Answer» C. cp and cv increase with temperature, and k increases | |