

MCQOPTIONS
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1. |
Promoter_____________________? |
A. | Initiates a chemical reaction and is a catalyst by itself |
B. | Alters the position of equilibrium in a reversible reaction |
C. | Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals |
D. | All A., B. and C. |
Answer» D. All A., B. and C. | |