Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 250-400 50-80 800-900 1000-1200 250-400 50-80 800-900 1000-1200 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum stability of white phosphorous is at Room temperature Very high pressure Atmospheric pressure >600°C Room temperature Very high pressure Atmospheric pressure >600°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Steam reforming of naphtha Cryogenic removal of H₂ from coke oven gas Natural gas cracking Electrolysis of water Steam reforming of naphtha Cryogenic removal of H₂ from coke oven gas Natural gas cracking Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The optimum size of the ammonia plant is __________ tons/day. 10 1000 100 1000C 10 1000 100 1000C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth? None of these Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser None of these Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction. Endothermic Catalytic Reversible Exothermic Endothermic Catalytic Reversible Exothermic ANSWER DOWNLOAD EXAMIANS APP
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