Fertiliser Technology Main constituent of phosphate rock is Calcium phosphate Calcium fluoride Flour apatite Ammonium phosphate Calcium phosphate Calcium fluoride Flour apatite Ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? Coal/coke oven gas Water Naphtha Tar Coal/coke oven gas Water Naphtha Tar ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology P₂O₅ percentage in the phosphoric acid produced by wet process is about 10 70 50 30 10 70 50 30 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitric acid is produced on commercial scale in a fertiliser plant by Passing air through high voltage electric arc Oxidation of ammonia CaNO₃ + H₂SO₄ reaction None of these Passing air through high voltage electric arc Oxidation of ammonia CaNO₃ + H₂SO₄ reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of a reducing atmosphere Presence of an oxidising atmosphere Absence of air Presence of an inert atmosphere Presence of a reducing atmosphere Presence of an oxidising atmosphere Absence of air Presence of an inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following does not come under the category of 'micro-nutrient' for plant growth? Iron Chlorine Carbon Boron Iron Chlorine Carbon Boron ANSWER DOWNLOAD EXAMIANS APP
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