Fertiliser Technology A nitrogenous fertiliser contains 20% N₂. It could be Ammonium chloride Urea Ammonium nitrate Calcium ammonium nitrate (CAN) Ammonium chloride Urea Ammonium nitrate Calcium ammonium nitrate (CAN) ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Natural gas cracking Electrolysis of water Cryogenic removal of H₂ from coke oven gas Steam reforming of naphtha Natural gas cracking Electrolysis of water Cryogenic removal of H₂ from coke oven gas Steam reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fertiliser plants get their N₂ requirements From coal gas (coke oven gas) By dissociating oxides of nitrogen From producer gas By fractionation of liquified air From coal gas (coke oven gas) By dissociating oxides of nitrogen From producer gas By fractionation of liquified air ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following does not come under the category of 'micro-nutrient' for plant growth? Boron Carbon Iron Chlorine Boron Carbon Iron Chlorine ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Can use only high grade phosphate rock Is weak acid process Is used less frequently Produces a valuable by-product called gypsum Can use only high grade phosphate rock Is weak acid process Is used less frequently Produces a valuable by-product called gypsum ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₃P4O₆ Na₄P3O₈ Na₅P3O₁₀ Na₂PO₄ Na₃P4O₆ Na₄P3O₈ Na₅P3O₁₀ Na₂PO₄ ANSWER DOWNLOAD EXAMIANS APP
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