Fertiliser Technology Chemical formula of metaphosphoric acid is Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ HPO₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? Electrolysis of water Steam reforming of naphtha Cracking of natural gas H? separation from coke oven gas Electrolysis of water Steam reforming of naphtha Cracking of natural gas H? separation from coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Action of phosphoric acid on rock phosphate produces Superphosphate Triple superphosphate Nitrophosphate Diammonium phosphate Superphosphate Triple superphosphate Nitrophosphate Diammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because 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 It decomposes ammonia ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is formed only In liquid phase At very low pressure (vacuum) In vapour phase At very high temperature In liquid phase At very low pressure (vacuum) In vapour phase At very high temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is a __________ fertiliser. Phosphatic Nitrogenous None of these Potassic Phosphatic Nitrogenous None of these Potassic ANSWER DOWNLOAD EXAMIANS APP
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