MCQOPTIONS
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| 1. |
A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by |
| A. | iffusion within the pellet |
| B. | eaction |
| C. | xternal mass transfer |
| D. | one of the above |
| Answer» B. eaction | |