Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 1000-1200 800-900 50-80 250-400 1000-1200 800-900 50-80 250-400 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Red phosphorous is changed into white phosphorous by Heating in presence of light Melting under pressure None of these Vaporisation followed by condensation Heating in presence of light Melting under pressure None of these Vaporisation followed by condensation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of metaphosphoric acid is H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent. 80 25 10 50 80 25 10 50 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a mixed fertiliser? Ammonium phosphate Calcium ammonium nitrate (CAN) Nitrophosphate None of these Ammonium phosphate Calcium ammonium nitrate (CAN) Nitrophosphate None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphoric acid is produced in wet process from phosphate rock and Concentrated NHO₃ Concentrated H₂SO₄ Concentrated HCl Dilute H₂SO₄ Concentrated NHO₃ Concentrated H₂SO₄ Concentrated HCl Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
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