Fertiliser Technology Red phosphorous is changed into white phosphorous by Heating in presence of light None of these Melting under pressure Vaporisation followed by condensation Heating in presence of light None of these Melting under pressure Vaporisation followed by condensation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because It is hygroscopic and explosive in nature It is highly acidic in nature Its nitrogen content is very less It is a liquid at room temperature It is hygroscopic and explosive in nature It is highly acidic in nature Its nitrogen content is very less It is a liquid at room temperature 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 Uses lower grade phosphate rock Is very costly Requires lower capital investment in the plant Produces lower purity acid Uses lower grade phosphate rock Is very costly Requires lower capital investment in the plant Produces lower purity acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Gas based fertiliser plants use Coal gas as a source of hydrogen Natural gas as heating medium Coal gas as heating medium Natural gas as a source of hydrogen Coal gas as a source of hydrogen Natural gas as heating medium Coal gas as heating medium Natural gas as a source of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A fertiliser contains 82% N₂. It could be Ammonium nitrate Urea None of these Liquid NH₃ Ammonium nitrate Urea None of these Liquid NH₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too acidic Soil becomes too alkaline Osmotic pressure of the soil water becomes higher than that of the plant sap Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too acidic Soil becomes too alkaline Osmotic pressure of the soil water becomes higher than that of the plant sap ANSWER DOWNLOAD EXAMIANS APP
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