Fertiliser Technology Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. 950-1050 1400-1450 500-750 250-300 950-1050 1400-1450 500-750 250-300 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology H₃PO₄ is the chemical formula of __________ phosphoric acid. Meta Ortho Pyro None of these Meta Ortho Pyro None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Gas based fertiliser plants use Coal gas as a source of hydrogen Natural gas as a source of hydrogen Natural gas as heating medium Coal gas as heating medium Coal gas as a source of hydrogen Natural gas as a source of hydrogen Natural gas as heating medium Coal gas as heating medium ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Leaching of phosphate rock by strong __________ acid produces phosphoric acid. Neither A nor B Hydrochloric Either A or B Sulphuric Neither A nor B Hydrochloric Either A or B Sulphuric ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following does not come under the category of 'secondary nutrient' for plant growth? Calcium Magnesium Oxygen Sulphur Calcium Magnesium Oxygen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the most suitable fertiliser for paddy? Superphosphate Ammonium nitrate Ammonium sulphate CAN Superphosphate Ammonium nitrate Ammonium sulphate CAN ANSWER DOWNLOAD EXAMIANS APP