Related Questions

Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
A Reversible
B Catalytic
C Exothermic
D Endothermic
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
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
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.
A Is greater than
B Is smaller than
C Equals
D Can be either greater or smaller than (depends on the type of reaction)
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
A Catalytic
B Endothermic
C Exothermic
D Autocatalytic
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.)
At a selling price of Tk. 275 a book yield 25% profit. What selling price will yield the profit of 10%?
A 210
B 242
C 221
D 235

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