MCQOPTIONS
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				| 1. | 
                                    Rough and irregular surface produced on the impression is because of ? | 
                            
| A. | Improper application of pressure during impression making | 
| B. | Air incorporated during mixing | 
| C. | Too rapid polymerization | 
| D. | Presence of moisture in impression area | 
| Answer» D. Presence of moisture in impression area | |