Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces Pyrophosphoric acid None of these Metaphosphoric acid No change in it Pyrophosphoric acid None of these Metaphosphoric acid No change in it ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Main constituent of phosphate rock is Ammonium phosphate Calcium phosphate Flour apatite Calcium fluoride Ammonium phosphate Calcium phosphate Flour apatite Calcium fluoride ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil. Water holding capacity Texture All of these Nutrient supply Water holding capacity Texture All of these Nutrient supply ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in the oxidation of ammonia is Platinum-beryllium Platinum-molybdenum Cobalt-molybdenum Platinum-rhodium Platinum-beryllium Platinum-molybdenum Cobalt-molybdenum Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
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? CAN Ammonium sulphate Urea Calcium cyanamide CAN Ammonium sulphate Urea Calcium cyanamide ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Is weak acid process Is used less frequently Produces a valuable by-product called gypsum Can use only high grade phosphate rock Is weak acid process Is used less frequently Produces a valuable by-product called gypsum Can use only high grade phosphate rock ANSWER DOWNLOAD EXAMIANS APP
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