- (A) Acetic acid
- (B) Sulphuric acid
- (C) Aluminium chloride
- (D) None of these
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- (A) Maintain inert gas concentration within a limit
- (B) Remove excess poisonous gases
- (C) Maintain H2 : N2 ratio at 3 :1
- (D) Remove uncondensed ammonia vapour
- (A) Thermal cracking
- (B) Steam reforming
- (C) Partial oxidation
- (D) Hydrogenation
- (A) NH2.CO.NH2
- (B) NH3.COO.NH3
- (C) NH2CONHCONH2
- (D) NH4COONH2
- (A) Meta-phosphoric acid
- (B) Pyrophosphoric acid
- (C) No change in it
- (D) None of these
- (A) Stems & leaves during early stage of plant growth
- (B) Starches of potatoes & grains
- (C) Sugar of fruits & vegetables
- (D) Fibrous materials of plants
- (A) 5
- (B) 20
- (C) 50
- (D) 65
- (A) Exothermic
- (B) Endothermic
- (C) Autocatalytic
- (D) Catalytic
- (A) Are soluble in CS2
- (B) Burns when heated in air
- (C) Reacts with hot caustic soda solution to give Phosphine
- (D) All
- (A) Nitrogenous fertilisers
- (B) Phosphatic fertilisers
- (C) Potassic fertiliser
- (D) None of these
