Fertiliser Technology Which of the following is not a measure component necessarily to be present in fertilisers? Sulphur Potassium Phosphorous Nitrogen Sulphur Potassium Phosphorous Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium Silicate Phosphate Bicarbonate Carbonate Silicate Phosphate Bicarbonate Carbonate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove uncondensed ammonia vapour Remove excess poisonous gases Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove uncondensed ammonia vapour Remove excess poisonous gases ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology 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. All of these Increasing the effectiveness Improving the strength & heat resistance Stabilisation All of these Increasing the effectiveness Improving the strength & heat resistance Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Red phosphorous is changed into white phosphorous by Melting under pressure Vaporisation followed by condensation Heating in presence of light None of these Melting under pressure Vaporisation followed by condensation Heating in presence of light None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of elemental phosphorous from rock phosphate is about __________ percent. 40-45 1-2 15-25 60-65 40-45 1-2 15-25 60-65 ANSWER DOWNLOAD EXAMIANS APP
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