 
			 
			MCQOPTIONS
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				| 1. | Which among the following is a characteristic of physical change? | 
| A. | Involvement of great amount of heat energy. | 
| B. | Change in states. | 
| C. | Argon | 
| D. | Formation of a new substance | 
| E. | None of these | 
| Answer» C. Argon | |