MCQOPTIONS
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				| 1. | 
                                    The invariant reaction involving two solid phases changing into a single solid phase on cooling is known as ___________ | 
                            
| A. | Eutectoid point | 
| B. | Eutectic point | 
| C. | Peritectic point | 
| D. | Peritectoid point | 
| Answer» E. | |