18501. Superphosphate is manufactured by reacting phosphate rock with
18502. Vetrocoke solution is
18503. In calcium ammonium nitrate (CAN) fertil-ser
18504. P2O5 content in triple superphosphate is about __________ percent.
18505. H3PO4 is the chemical formula of __________ phosphoric acid.
18506. Heating of orthophosphoric acid to 250°C produces
18507. Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.
18508. Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
18509. Prilling tower is found in the flowsheet for the manufacture of
18510. Reaction of orthophosphoric acid with soda ash produces
18511. Urea is formed only
18512. Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
18513. Electric process as compared to wet process (for the manufacture of phosphoric acid)
18514. Ammonium sulphate can be produced by reacting gypsum with
18515. Nitrogenous fertiliser is required
18516. Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at
18517. Catalyst used in Haber's process for ammonia production is
18518. Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
18519. Reaction of anhydrous liquid ammonia with orthophosphoric acid produces
18520. Electric furnace method for production of phosphorous uses phosphate rock
18521. Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by
18522. World Consumer Day is celebrated on:
18523. Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant ?
18524. Which of the following languages was NOT used by Gandhiji?
18525. Ammonium phosphate is a __________ fertiliser.
18526. Which vitamin is called sunshine vitamin?
18527. Maximum stability of white phosphorous is at
18528. Rice and wheat are the major--------------of India
18529. Potassic fertilisers do not promote the development of
18530. Raji has a ------------for music
18531. The optimum size of the ammonia plant is __________ tons/day.
18532. The robbers looted the bank in ------------with the watchman
18533. Main component of bone ash is
18534. Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of
18535. The first Indian woman to head a missile project
18536. Myology is the study of
18537. Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?
18538. The Montreal Protocol 1987 was signed by two dozen countries to:
18539. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.
18540. First Indian to win a medal in Badminton at the Olympics
18541. The essential ingradient of all the synthesis gas is
18542. The author of Samskara
18543. Sodium tri poly phosphate (STPP) is chemically represented as
18544. Which kingdoms are associated with the life of Buddha?
18545. A fertiliser contains 82% N2. It could be
18546. Heating of orthophosphoric acid to about 900°C, produces
18547. --------------is regarded as a universal solvent.
18548. A Sufi Guru is called a
18549. Reaction of phosphate rock with 98% H2SO4 produces