Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of an inert atmosphere Presence of a reducing atmosphere Absence of air Presence of an oxidising atmosphere Presence of an inert atmosphere Presence of a reducing atmosphere Absence of air Presence of an oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Rock phosphate constitutes mainly of Fluorapatite Mono-calcium phosphate Di-calcium phosphate Di-ammonium phosphate Fluorapatite Mono-calcium phosphate Di-calcium phosphate Di-ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a mixed fertiliser? None of these Calcium ammonium nitrate (CAN) Ammonium phosphate Nitrophosphate None of these Calcium ammonium nitrate (CAN) Ammonium phosphate Nitrophosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Electrolysis of water Natural gas cracking Cryogenic removal of H₂ from coke oven gas Steam reforming of naphtha Electrolysis of water Natural gas cracking Cryogenic removal of H₂ from coke oven gas Steam reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the best fertiliser for paddy? Superphosphate Nitro-phosphate Ammonium sulphate Potassium nitrate Superphosphate Nitro-phosphate Ammonium sulphate Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Plant tranquillisers Hold back stem growth and halt plants at a desired height Cause early maturation of plants Produce seedless fruit Accelerate ripening of food and grain Hold back stem growth and halt plants at a desired height Cause early maturation of plants Produce seedless fruit Accelerate ripening of food and grain ANSWER DOWNLOAD EXAMIANS APP