Fertiliser Technology Rock phosphate constitutes mainly of Mono-calcium phosphate Fluorapatite Di-calcium phosphate Di-ammonium phosphate Mono-calcium phosphate Fluorapatite Di-calcium phosphate Di-ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process. Le-chatlier's Stengel Du-pont's Haber's Le-chatlier's Stengel Du-pont's Haber's ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In calcium ammonium nitrate (CAN) fertil-ser Nitrate nitrogen is slower acting Ammoniacal nitrogen is quick acting None of these Nitrate nitrogen is quick acting Nitrate nitrogen is slower acting Ammoniacal nitrogen is quick acting None of these Nitrate nitrogen is quick acting ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It decomposes ammonia None of these Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C It decomposes ammonia None of these Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion None of these Rate of reaction is very low Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion None of these Rate of reaction is very low ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth? None of these Phosphatic fertiliser Potassic fertiliser Nitrogeneous fertiliser None of these Phosphatic fertiliser Potassic fertiliser Nitrogeneous fertiliser ANSWER DOWNLOAD EXAMIANS APP
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