Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 1000-1200 250-400 50-80 800-900 1000-1200 250-400 50-80 800-900 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? Cracking of natural gas Steam reforming of naphtha H? separation from coke oven gas Electrolysis of water Cracking of natural gas Steam reforming of naphtha H? separation from coke oven gas Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Hydrogen content of coke oven gas is __________ percent. 58 4 84 22 58 4 84 22 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction. Exothermic Catalytic Autocatalytic Endothermic Exothermic Catalytic Autocatalytic Endothermic 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 None of these Decreasing the temperature Increasing the temperature Decreasing the pressure None of these Decreasing the temperature Increasing the temperature Decreasing the pressure 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 used less frequently Is weak acid process Produces a valuable by-product called gypsum Can use only high grade phosphate rock Is used less frequently Is weak acid process Produces a valuable by-product called gypsum ANSWER DOWNLOAD EXAMIANS APP