Color of nitric acid is light yellow due to the presence of__________________?
Color of nitric acid is light yellow due to the presence of__________________?
A. NO
B. NO2
C. N2H5
D. NH3
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Heating a mixture of phosphate rock, coke and sand in an electric furnace produces___________________?
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces___________________?A. Phosphoric acid
B. Ammonium phosphate
C. Phosphorous
D. SuperphosphateLiquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________?
Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________?A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of theseUse of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?A. Stabilisation
B. Increasing the effectiveness
C. Improving the strength & heat resistance
D. All A, B & CReaction of Cresylic acid with _____________ produces Tricresyl phosphate?
Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?A. Phosphorous pentoxide
B. Phosphorous oxychloride
C. Ammonium phosphate
D. Calcium phosphateNaphtha in a fertiliser plant is used as a source of___________________?
Naphtha in a fertiliser plant is used as a source of___________________?A. Fuel
B. H2
C. N2
D. O2During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about ______________ percent?
During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about ______________ percent?A. 38
B. 68
C. 82
D. 98