Fertiliser Technology Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils? Calcium cyanamide CAN Ammonium sulphate Urea Calcium cyanamide CAN Ammonium sulphate Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in urea autoclave is 200°C and 10 atm 120°C and 300 atm 190°C and 200 atm 400°C and 550 atm 200°C and 10 atm 120°C and 300 atm 190°C and 200 atm 400°C and 550 atm 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 Which is the best fertiliser for paddy? Superphosphate Ammonium sulphate Nitro-phosphate Potassium nitrate Superphosphate Ammonium sulphate Nitro-phosphate Potassium nitrate 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 Increasing the effectiveness Improving the strength & heat resistance All of these Stabilisation Increasing the effectiveness Improving the strength & heat resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₃P4O₆ Na₅P3O₁₀ Na₂PO₄ Na₄P3O₈ Na₃P4O₆ Na₅P3O₁₀ Na₂PO₄ Na₄P3O₈ ANSWER DOWNLOAD EXAMIANS APP
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