MCQOPTIONS
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				| 1. | 
                                    The function of 2% potassium sulphate in a gypsum product is_____________? | 
                            
| A. | To regulate the setting expansion | 
| B. | Regulate setting time | 
| C. | Acts as retarder | 
| D. | None | 
| Answer» C. Acts as retarder | |