Fertiliser Technology Reaction of cresylic acid with __________ produces tricresyl phosphate. Ammonium phosphate Phosphorous pentoxide Calcium phosphate Phosphorous oxychloride Ammonium phosphate Phosphorous pentoxide Calcium phosphate Phosphorous oxychloride 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 Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion None of these Very high pressure is required resulting in costly pressure vessel Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Improving the strength & heat resistance Stabilisation All of these Increasing the effectiveness Improving the strength & heat resistance Stabilisation All of these Increasing the effectiveness ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following gasifiers can be attached to coal based fertiliser plants? Gasifier working at 40 atm Gasifier working at 20 atm Lurgi (high pressure) gasifier Kopper-Totzek gasifier Gasifier working at 40 atm Gasifier working at 20 atm Lurgi (high pressure) gasifier Kopper-Totzek gasifier ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Plant tranquillisers Produce seedless fruit Hold back stem growth and halt plants at a desired height Cause early maturation of plants Accelerate ripening of food and grain Produce seedless fruit Hold back stem growth and halt plants at a desired height Cause early maturation of plants Accelerate ripening of food and grain ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₄P3O₈ Na₂PO₄ Na₃P4O₆ Na₅P3O₁₀ Na₄P3O₈ Na₂PO₄ Na₃P4O₆ Na₅P3O₁₀ ANSWER DOWNLOAD EXAMIANS APP
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