Fertiliser Technology Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? Toluene Hexane Butyl alcohol Iso propyl alcohol Toluene Hexane Butyl alcohol Iso propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of __________ acid with phosphate rock produces superphosphates. Sulphuric Hydrochloric Phosphoric Nitric Sulphuric Hydrochloric Phosphoric Nitric 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? Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser None of these Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Hydrogen content of coke oven gas is __________ percent. 58 84 4 22 58 84 4 22 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa) Use coal as filler in fertiliser Gasify coal to get hydrogen from coal gas Use coal as conditioner in fertiliser Use coal for heating purpose Use coal as filler in fertiliser Gasify coal to get hydrogen from coal gas Use coal as conditioner in fertiliser Use coal for heating purpose ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (a fertiliser) is coated with limestone powder to Cut down its production cost Avoid the risk of explosion Increase its nitrogen content Add extra nutrient as fertiliser Cut down its production cost Avoid the risk of explosion Increase its nitrogen content Add extra nutrient as fertiliser ANSWER DOWNLOAD EXAMIANS APP
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