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Chemical Engineering - Chemical Reaction Engineering

Exercise : Chemical Reaction Engineering - Section 8
26.
Non-catalytic fluid-solid reactions are represented by __________ model.
continuous reaction
unreacted core
both (a) and (b)
neither (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be
2τ
0.5τ
τ/0.693
0.693τ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
On application of pressure to the equilibrium system, ice water ; which of the following phenomenon will occur ?
Water will evaporate
Equilibrium will not be attained
More ice will be formed
More water will be formed.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Participation of __________ is involved in the occurrence of a chemical reaction.
protons
neutrons
electrons
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Promoter.
initiates a chemical reaction and is a catalyst by itself.
atlers the position of equilibrium in a reversible reaction.
increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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