Fertiliser Technology Which of the following does not come under the category of'primary nutrient' for plant growth? Sulphur Phosphorous Potassium Nitrogen Sulphur Phosphorous Potassium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Liquid ammonia is not used as such a fertiliser in tropical countries like India, because It is not available It will evaporate on spraying It is very costly Its N₂ content is very low It is not available It will evaporate on spraying It is very costly Its N₂ content is very low ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous. Salt & coke And sand And coke Sand & coke Salt & coke And sand And coke Sand & coke ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent. 82 98 38 68 82 98 38 68 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of cresylic acid with __________ produces tricresyl phosphate. Calcium phosphate Phosphorous pentoxide Ammonium phosphate Phosphorous oxychloride Calcium phosphate Phosphorous pentoxide Ammonium phosphate Phosphorous oxychloride ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of metaphosphoric acid is Same as that of pyrophosphoric acid HPO₃ H₃PO₄ H₄P₂O₇ Same as that of pyrophosphoric acid HPO₃ H₃PO₄ H₄P₂O₇ ANSWER DOWNLOAD EXAMIANS APP
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