MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    Co-efficient of Thermal exansion of amalgam is______________? | 
                            
| A. | 6.6 a (ppm k-1) | 
| B. | 11.4 a (ppm k-1) | 
| C. | 14.0 a (ppm k-1) | 
| D. | 25.0 a (ppm k-1) | 
| Answer» E. | |