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? Ammonium sulphate CAN Calcium cyanamide Urea Ammonium sulphate CAN Calcium cyanamide Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum stability of white phosphorous is at Atmospheric pressure Room temperature Very high pressure >600°C Atmospheric pressure Room temperature Very high pressure >600°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology H₃PO₄ is the chemical formula of __________ phosphoric acid. Pyro Ortho Meta None of these Pyro Ortho Meta None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. Increased biuret formation High corrosion rate All of these Increased cost of equipment Increased biuret formation High corrosion rate All of these Increased cost of equipment ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Potassic fertilisers do not promote the development of Fibrous materials of plants Stems & leaves during early stage of plant growth Sugar of fruits & vegetables Starches of potatoes & grains Fibrous materials of plants Stems & leaves during early stage of plant growth Sugar of fruits & vegetables Starches of potatoes & grains ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology 5-10-5 fertilisers mean that they contain None of these Only 5 to 10% active fertiliser constituents 5, 10, 5% respectively of N₂, P₂O₅ and K₂O 5 to 10% filler & carrier of soil conditioners None of these Only 5 to 10% active fertiliser constituents 5, 10, 5% respectively of N₂, P₂O₅ and K₂O 5 to 10% filler & carrier of soil conditioners ANSWER DOWNLOAD EXAMIANS APP