MCQOPTIONS
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				| 1. | 
                                    In case of constant underflow extraction operation, the __________ at all solute concentration. | 
                            
| A. | solids are drained to the same extent | 
| B. | ratio of the insoluble to solution is constant | 
| C. | both(a) & (b) | 
| D. | neither (a) nor (b) | 
| Answer» D. neither (a) nor (b) | |