A. Very slow
B. Very fast
C. Photochemical
D. Both B. and C.
A. Improves the activity of a catalyst
B. Acts as a catalyst support
C. Itself has very high activity
D. All A., B. and C.
A. Film diffusion
B. Diffusion through ash layer
C. Chemical reaction
D. Either A., B. or C.
A. Batch reactor
B. Tubular flow reactor
C. Stirred tank reactor
D. Fluidised bed reactor
A. Is independent of pressure
B. Increases with pressure
C. Decreases with pressure
D. Increases /decreases with pressure depending on the stoichiometric co-efficients of the
reaction
A. Decreases the energy barrier for reaction
B. Increases the activation energy
C. Decreases the molecular collision diameter
D. None of these
A. Linearly with time
B. Exponentially with time
C. Very abruptly towards the end of the reaction
D. Logarithmically with time