A. Lessens its selectivity
B. May be useful for suppressing undesirable side reactions
C. Is added in small quantity during the catalyst manufacture itself
D. All A., B. and C.
A. CaO is not dissociated
B. CO2 escapes continuously
C. Of high calcination temperature
D. CaO is more stable than CaCO3
A. Langmuir adsorption isotherm
B. Adsorption isobar
C. Freundlich adsorption isotherm
D. None of these
A. Porosity
B. Sensitivity
C. Surface area
D. None of these
A. Constant residence time
B. Variation in extent of reaction and properties of the reaction mixture with time
C. Variation in reactor volume
D. Very low conversion
A. k. t = ln a/(a – x)
B. k. t = x/a (a – x)
C. k. t = ln (a – x)/a
D. k. t = ln a (a – x)/x
A. 1/3
B. 1/2
C. 2/3
D. 2
A. CA0 = CB0
B. CA0 > CB0
C. CB0 > CA0
D. CB0 ≥ CB0
A. 1/2
B. 1/3
C. 1/4
D. 1/5
A. Less than
B. Equal to
C. More than
D. Equal to or more than