Fertiliser Technology Raw materials for urea production are HNO₃ and CaCO₃ CO₂, H₂ and N₂ NH₃ and CO CO₂ and N₂ HNO₃ and CaCO₃ CO₂, H₂ and N₂ NH₃ and CO CO₂ and N₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Red phosphorous is changed into white phosphorous by 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 Melting under pressure ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology An increase in the NH₃/CO₂ ratio in urea manufacture results in Decreased yield of urea Increased degree of conversion of CO₂ to urea Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass Decreased yield of urea Increased degree of conversion of CO₂ to urea Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of elemental phosphorous from rock phosphate is about __________ percent. 1-2 60-65 15-25 40-45 1-2 60-65 15-25 40-45 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Both white phosphorous as well as red phosphorous All of these Are soluble in CS₂ Burns when heated in air Reacts with hot caustic soda solution to give phosphine All of these Are soluble in CS₂ Burns when heated in air Reacts with hot caustic soda solution to give phosphine ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by Decreasing the temperature None of these Decreasing the pressure Increasing the temperature Decreasing the temperature None of these Decreasing the pressure Increasing the temperature ANSWER DOWNLOAD EXAMIANS APP
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