Related Questions

In a group of 15 , 7 have studied Latin , 8 have studied Greek, and 3 have not studied either . How many of these studied both Latin and Greek ?
A 3
B 4
C 5
In a group of 15,7 have studied Latin, 8 have studied Greek and 3 have not studied either. How many of these studied both Latin and Greek?
A 1
B 3
C 4
D 5
Kinetics of a catalytic reaction can be best studied on a/an __________ reactor.
A Mixed
B Integral (plug flow)
C Differential (flow)
D Either A, B and C
A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to
A Lose a proton
B Gain a proton
C Lose an electron
D None of these
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to
A Lose a proton
B Gain a proton
C Gain an electron
D None of these
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.
A Fixed
B Fluidised bed reactor followed by a fixed
C Fixed bed reactor followed by a fluidised
D Fluidised
For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
A Physical
B Chemical
C Both A and B
D Neither A nor B
In a class of 60, 32 studied English, 28 studied Bengali and 6 did not study either. How many of the students studied both?
A 6
B 4
C 12
D 16
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for
A Fast reactions in catalyst of small pore diameter
B Fast reaction in catalyst of large pore diameter
C Slow reactions in catalyst of small pore diameter
D Slow reactions in catalyst of large pore diameter
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

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