The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of _______________ order?
A. Zero
B. First
C. Second
D. None of these
A. Zero
B. First
C. Second
D. None of these
A. Is maximum at the inlet of the reactor
B. Goes through a maximum along the length of the reactor
C. Goes through a minimum along the length of the reactor
D. Is maximum at the exit of the reactor
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Current Presidents - Chairmen - CEOs, Pakistan Current Affairs MCQs A. Decay reactions
B. Pore diffusion
C. Form of surface attack by poison
D. All A., B. and C.
Which of the following factors control the deactivation of a porous catalyst pellet? Read More »
Chemical Reaction A. Darren samy
B. Muhammad Sami
C. Sarfaraz Ahmed
D. Shoaib malik
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Pakistan Current Affairs MCQs A. Deposited
B. Chemisorbed
C. Selectivity
D. Stability
A. 0
B. 1
C. 10
D. ∞
For an ideal plug flow reactor, the value of Peclet number is_______________? Read More »
Chemical Reaction A. Only
B. To a greater extent than that of the backward reaction
C. And decreases that of the backward reaction
D. And the backward reaction equally
A. Space time is equivalent to holding time for constant density systems
B. Composition throughout the reactor remains same
C. Exit stream has the same composition as the fluid within the reactor
D. All A., B. and C.
In an ideal mixed reactor (at steady state), the ___________________? Read More »
Chemical Reaction A. Large catalyst particle size
B. An active surface of the catalyst
C. Small pore diameter
D. All A., B. and C.
The importance of diffusion in a catalyst are increased by ____________________? Read More »
Chemical Reaction