Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process. Exothermic Endothermic Non-catalytic Autocatalytic TRUE ANSWER : ? YOUR ANSWER : ?
(CH₃ C₆ H₄)₃ PO₄ is the chemical formula of Superphosphate Triple superphosphate Flourapatite Tricresyl phosphate TRUE ANSWER : ? YOUR ANSWER : ?
Which nutrient in fertiliser makes the plant stems stronger and increases branching? Calcium Phosphorous Potassium Nitrogen TRUE ANSWER : ? YOUR ANSWER : ?
5-10-5 fertilisers mean that they contain 5, 10, 5% respectively of N₂, P₂O₅ and K₂O 5 to 10% filler & carrier of soil conditioners None of these Only 5 to 10% active fertiliser constituents TRUE ANSWER : ? YOUR ANSWER : ?
Electric process as compared to wet process (for the manufacture of phosphoric acid) Is used less frequently Can use only high grade phosphate rock Is weak acid process Produces a valuable by-product called gypsum TRUE ANSWER : ? YOUR ANSWER : ?
__________ catalyst is used in the production of urea from CO₂ and NH₃. No Alumina Nickel Vanadium pentoxide TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? Toluene Hexane Iso propyl alcohol Butyl alcohol TRUE ANSWER : ? YOUR ANSWER : ?
Heating of orthophosphoric acid to about 900°C, produces None of these No change in it Metaphosphoric acid Pyrophosphoric acid TRUE ANSWER : ? YOUR ANSWER : ?
I argest capacity nitrogenous fertiliser plants (2700 tons of NH₃ per day) (2 Nos) in India are located at Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat) Haldia (W.B) and Namrup (Assam) both under HFC Talchar (Orissa) and Ramagundam (A.P.) both under FCI Korba (M.P.) and Talchar (Orissa) both under FCI TRUE ANSWER : ? YOUR ANSWER : ?