Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 250-400 800-900 50-80 1000-1200 250-400 800-900 50-80 1000-1200 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction. Endothermic Autocatalytic Exothermic Catalytic Endothermic Autocatalytic Exothermic Catalytic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A phosphatic fertiliser contains 16% P₂O₅. It could be Dicalcium phosphate Triple superphosphate None of these Superphosphate Dicalcium phosphate Triple superphosphate None of these Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Low grade phosphate rock can be used in electrical furnace, because Of the better CaO/SiO₂ balance for slag formation It produces low cost product It is cheap CaO content is less Of the better CaO/SiO₂ balance for slag formation It produces low cost product It is cheap CaO content is less 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? Nitrogeneous fertiliser Phosphatic fertiliser Potassic fertiliser None of these Nitrogeneous fertiliser Phosphatic fertiliser Potassic fertiliser None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Main constituent of phosphate rock is Ammonium phosphate Calcium phosphate Calcium fluoride Flour apatite Ammonium phosphate Calcium phosphate Calcium fluoride Flour apatite ANSWER DOWNLOAD EXAMIANS APP