Fertiliser Technology Which of the following does not come under the category of 'micro-nutrient' for plant growth? Carbon Chlorine Boron Iron Carbon Chlorine Boron Iron 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 Heating of orthophosphoric acid to 250°C produces None of these No change in it Metaphosphoric acid Pyrophosphoric acid None of these No change in it Metaphosphoric acid Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 250-400 50-80 1000-1200 800-900 250-400 50-80 1000-1200 800-900 ANSWER DOWNLOAD EXAMIANS APP
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? Hexane Toluene Iso propyl alcohol Butyl alcohol Hexane Toluene Iso propyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology An increase in the NH₃/CO₂ ratio in urea manufacture results in Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass Decreased yield of urea Increased degree of conversion of CO₂ to urea Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass Decreased yield of urea Increased degree of conversion of CO₂ to urea ANSWER DOWNLOAD EXAMIANS APP
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