Catalytic ammonia synthesis reaction as in Haber’s process is_________________?

A. Endothermic
B. Exothermic
C. Irreversible
D. None of these

Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?

A. Urea
B. CAN
C. Ammonium sulphate
D. Calcium cyanamide

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is _____________ fertiliser?

A. Nitrogenous
B. Phosphatic
C. Potassic
D. None of these

Triple superphosphate is made by reacting phosphate rock with _____________ acid?

A. Phosphoric
B. Nitric
C. Sulphuric
D. Hydrochloric

____________ catalyst is used in the production of urea from CO2 and NH3?

A. Vanadium pentoxide
B. No
C. Alumina
D. Nickel

Ammonium nitrate is___________________?

A. Having about 40% N2
B. Not hygroscopic
C. Not prone to explosive thermal decomposition
D. Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

Tricresyl phosphate is chemically represented as___________________?

A. (CH3 C6 H4)3 PO4
B. Ca10(PO4)3F6
C. (NH4)2HPO4
D. NH4H2PO4

Nitrolime is___________________?

A. Calcium nitrate
B. Calcium ammonium nitrate
C. A mixture of nitric acid and lime
D. A mixture of ammonium nitrate and calcium nitrate

Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?

A. Comparatively higher pressure drop
B. High cost of the high pressure vessel used for the reactor
C. Higher pumping cost
D. Chances of entrainment and disturbance of catalyst bed

Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?

A. Autocatalytic
B. Endothermic
C. Exothermic
D. Non-catalytic