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? Iso propyl alcohol Butyl alcohol Toluene Hexane Iso propyl alcohol Butyl alcohol Toluene Hexane ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration. 75-80 25-28 52-54 > 98 75-80 25-28 52-54 > 98 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because Its nitrogen content is very less It is hygroscopic and explosive in nature It is a liquid at room temperature It is highly acidic in nature Its nitrogen content is very less It is hygroscopic and explosive in nature It is a liquid at room temperature It is highly acidic in nature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil. All of these Texture Water holding capacity Nutrient supply All of these Texture Water holding capacity Nutrient supply ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which nutrient in fertiliser makes the plant stems stronger and increases branching? Phosphorous Nitrogen Potassium Calcium Phosphorous Nitrogen Potassium Calcium ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at Low pressure High pressure Very high temperature Atmospheric pressure; as the pressure has no effect on conversion Low pressure High pressure Very high temperature Atmospheric pressure; as the pressure has no effect on conversion ANSWER DOWNLOAD EXAMIANS APP
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