Fertiliser Technology Which of the following does not come under the category of 'secondary nutrient' for plant growth? Magnesium Sulphur Oxygen Calcium Magnesium Sulphur Oxygen Calcium ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. 1400-1450 250-300 950-1050 500-750 1400-1450 250-300 950-1050 500-750 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces Pyrophosphoric acid None of these No change in it Metaphosphoric acid Pyrophosphoric acid None of these No change in it Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate is chemically represented as 3Ca₃(PO₄)₂ Ca(PO₃)₂ Ca(H₂PO₄)₂ CaF₂.3Ca₃(PO₄)₂ 3Ca₃(PO₄)₂ Ca(PO₃)₂ Ca(H₂PO₄)₂ CaF₂.3Ca₃(PO₄)₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent. 100 60 95 30 100 60 95 30 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology 5-10-5 fertilisers mean that they contain 5 to 10% filler & carrier of soil conditioners 5, 10, 5% respectively of N₂, P₂O₅ and K₂O Only 5 to 10% active fertiliser constituents None of these 5 to 10% filler & carrier of soil conditioners 5, 10, 5% respectively of N₂, P₂O₅ and K₂O Only 5 to 10% active fertiliser constituents None of these ANSWER DOWNLOAD EXAMIANS APP
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