Ammonia is prepared by ………..
a) Solvay Process
b) Haber process
c) both a & b
d) none of these
In manufacture of urea, nitrogen is obtained from …………of air.
a) fractional distillation
b) electrolysis
c) filtration
d) chlorination
CO2, can be obtained from………….
a) NH3
b) CH4
c) CaO
d) NaHCO3
Manufacture of urea involves the following steps.
a) reaction of ammonia & CO2
b) evaporation & granulation of liquid urea
c) urea formation
d) all of these
On decomposition ammonium carbamate produces…………..
a) urea
b) water
c) salt
d) both a & b
The chemical formula of ammonium carbonate is ……………….
a) NH2COONH4
b) NH2CONH2
c) NaHCO3
d) NH3
