Fertiliser Technology Catalyst used in ammonia synthesis uses __________ as a promoter. Ni Al2O₃ K₂O Pt Ni Al2O₃ K₂O Pt ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Exothermic Endothermic Reversible Catalytic Exothermic Endothermic Reversible Catalytic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Biuret formation in urea is kept at minimum (< 1 %), because it is Toxic and harmful to some crops Explosive in nature Corrosive in nature Helpful in decomposition of urea Toxic and harmful to some crops Explosive in nature Corrosive in nature Helpful in decomposition of urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphorus vapour comprises of P₂ P P₃ P₄ P₂ P P₃ P₄ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of Higher pumping cost Chances of entrainment and disturbance of catalyst bed Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor Higher pumping cost Chances of entrainment and disturbance of catalyst bed Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process? Low pressure, high reactants concentration, low temperature High pressure, high reactants concentration, low temperature High pressure, low reactants concentration, low temperature High pressure, low reactants concentration, high temperature Low pressure, high reactants concentration, low temperature High pressure, high reactants concentration, low temperature High pressure, low reactants concentration, low temperature High pressure, low reactants concentration, high temperature ANSWER DOWNLOAD EXAMIANS APP
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