Related Questions

Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.
A Exothermic
B Endothermic
C Autocatalytic
D Catalytic
Dehydration of ammonium carbamate produces
A Urea
B Biuret
C Ammonia water
D None of these
With increases in pressure, the conversion of ammonium carbamate into urea
A Increases
B Decreases
C Remains unaltered
D Can either increase or decrease depends on biuret content
During conversion of ammonium carbamate into urea, presence of large excess of water
A Increases the yield of urea
B Adversely affects the yield of urea
C Reduces the evaporator load by diluting the urea solution
D Does not affect the yield of urea
Urea is a better fertilizer than ammonium sulphate, because
A It is cheaper
B Nitrogen content is higher
C It is not poisonous
D It is easy to manufacture
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
A Catalytic
B Endothermic
C Exothermic
D Autocatalytic
Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in
A Low bulk density product
B Biuret formation
C Non-spherical prills
D Substantially wet non-flowing and sticky product
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at
A Rourkela (under SAIL)
B Bokaro (under SAIL)
C Sindri (under FCI)
D Baroda (under G.S.F.C.)
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
A 50 units
B 60 units
C 70 units
D 80 units
Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction.
A Elementary
B Parallel
C Consecutive
D None of these

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