Fertiliser Technology Ammonium nitrate (a fertiliser) is coated with limestone powder to Increase its nitrogen content Cut down its production cost Add extra nutrient as fertiliser Avoid the risk of explosion Increase its nitrogen content Cut down its production cost Add extra nutrient as fertiliser Avoid the risk of explosion 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
Fertiliser Technology Which of the following does not come under the category of 'micro-nutrient' for plant growth? Carbon Boron Chlorine Iron Carbon Boron Chlorine Iron ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of calcium fluorapatite with sulphuric acid produces Red phosphorous Ortho-phosphoric acid Triple superphosphate Simple superphosphate Red phosphorous Ortho-phosphoric acid Triple superphosphate Simple superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Liquid ammonia is not used as such a fertiliser in tropical countries like India, because It is very costly It is not available It will evaporate on spraying Its N₂ content is very low It is very costly It is not available It will evaporate on spraying Its N₂ content is very low ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C ANSWER DOWNLOAD EXAMIANS APP