Fertiliser Technology The main constituent of rock phosphate is Di-calcium phosphate Fluorspar Mono-calcium phosphate None of these Di-calcium phosphate Fluorspar Mono-calcium phosphate None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the most suitable fertiliser for paddy? Superphosphate Ammonium nitrate CAN Ammonium sulphate Superphosphate Ammonium nitrate CAN Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable All of these Metaphosphoric acid Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Metaphosphoric acid Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of phosphate rock with 98% H₂SO₄ produces None of these White phosphorous Superphosphate Orthophosphoric acid None of these White phosphorous Superphosphate Orthophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitric acid is produced on commercial scale in a fertiliser plant by Passing air through high voltage electric arc Oxidation of ammonia CaNO₃ + H₂SO₄ reaction None of these Passing air through high voltage electric arc Oxidation of ammonia CaNO₃ + H₂SO₄ reaction None of these ANSWER DOWNLOAD EXAMIANS APP
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