Related Questions

If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.
A Film
B Ash layer
C Pore
D None of these
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?
A Pore diffusion
B Film diffusion
C Ash layer diffusion
D Chemical reaction
If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst
A Porosity is very important
B Porosity is of less importance
C Internal surface area is utilised efficiently
D None of these
__ sensitive = extremely physically sensitive to particular medicines, lights etc.
A Over
B Hyper
C Mega
D Out
Rate determining step in a reaction consisting of a number of steps in series is the __________ step.
A Fastest
B Slowest
C Intermediate
D Data insufficient; can't be predicted
Fill in the blank: This information is highly sensitive, hence, only the members of the top echelon are ----the matter.
A into
B privy to
C absorbed in
D entwined in
The following tumour/s is/are highly sensitive to chemotherapy
A Choriocarcinoma
B Lymphoma
C Small cell carcinoma of lung
D Malignant melanoma
E Seminoma
The plants of which of the following crops are highly sensitive to frost?
A Barely
B Cotton
C Maize
D None of the above
For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance.
A Film diffusion
B Diffusion through ash layer
C Chemical reaction
D Either A, B or C
For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.
A Film diffusion
B Diffusion through ash layer
C Chemical reaction
D Either A, B or C

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