Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 250-400 800-900 50-80 1000-1200 250-400 800-900 50-80 1000-1200 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process Requires lower capital investment in the plant Is very costly Uses lower grade phosphate rock Produces lower purity acid Requires lower capital investment in the plant Is very costly Uses lower grade phosphate rock Produces lower purity acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Plant tranquillisers Produce seedless fruit Hold back stem growth and halt plants at a desired height Cause early maturation of plants Accelerate ripening of food and grain Produce seedless fruit Hold back stem growth and halt plants at a desired height Cause early maturation of plants Accelerate ripening of food and grain ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content. NHO₃ NO₂ KNO₃ N₂ NHO₃ NO₂ KNO₃ N₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology H₃PO₄ is the chemical formula of __________ phosphoric acid. None of these Ortho Pyro Meta None of these Ortho Pyro Meta ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology CaH₄(PO₄)₂ is the chemical formula of Superphosphate Meta phosphoric acid Triple superphosphate Calcium phosphate Superphosphate Meta phosphoric acid Triple superphosphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP