Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 50-80 800-900 250-400 1000-1200 50-80 800-900 250-400 1000-1200 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth? Nitrogeneous fertiliser Phosphatic fertiliser Potassic fertiliser None of these Nitrogeneous fertiliser Phosphatic fertiliser Potassic fertiliser None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphatic fertiliser is graded based on its __________ content. PCl5 P₂O₃ H₃PO₄ P₂O₅ PCl5 P₂O₃ H₃PO₄ P₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate is made by reacting phosphate rock with __________ acid. Sulphuric Nitric Phosphoric Hydrochloric Sulphuric Nitric Phosphoric Hydrochloric ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology HPO₃ is the chemical formula of __________ phosphoric acid. Meta Pyro Ortho None of these Meta Pyro Ortho None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Tricresyl phosphate is chemically represented as (CH₃ C₆ H₄)₃ PO₄ (NH₄)₂HPO₄ NH₄H₂PO₄ Ca₁₀(PO₄)3F₆ (CH₃ C₆ H₄)₃ PO₄ (NH₄)₂HPO₄ NH₄H₂PO₄ Ca₁₀(PO₄)3F₆ ANSWER DOWNLOAD EXAMIANS APP
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