Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Endothermic Reversible Catalytic Exothermic Endothermic Reversible Catalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphoric acid is produced in wet process from phosphate rock and Dilute H₂SO₄ Concentrated HCl Concentrated H₂SO₄ Concentrated NHO₃ Dilute H₂SO₄ Concentrated HCl Concentrated H₂SO₄ Concentrated NHO₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. 250-300 1400-1450 500-750 950-1050 250-300 1400-1450 500-750 950-1050 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the most suitable fertiliser for paddy? Superphosphate Ammonium nitrate CAN Ammonium sulphate Superphosphate Ammonium nitrate CAN Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Stabilisation All of these Increasing the effectiveness Improving the strength & heat resistance Stabilisation All of these Increasing the effectiveness Improving the strength & heat resistance ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the Soil becomes too alkaline Osmotic pressure of the soil water becomes less than that of the plant sap Osmotic pressure of the soil water becomes higher than that of the plant sap Soil becomes too acidic Soil becomes too alkaline Osmotic pressure of the soil water becomes less than that of the plant sap Osmotic pressure of the soil water becomes higher than that of the plant sap Soil becomes too acidic ANSWER DOWNLOAD EXAMIANS APP