 
			 
			MCQOPTIONS
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				| 1. | Sodium carbonate exists in two forms at a temperature of | 
| A. | 32.92 degree Celsius | 
| B. | 60 degree Celsius | 
| C. | 89 degree Celsius | 
| D. | 50 degree Celsius | 
| Answer» B. 60 degree Celsius | |