Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Endothermic Reversible Exothermic Catalytic Endothermic Reversible Exothermic Catalytic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Calcium nitrate Ammonium sulphate Calcium ammonium nitrate (CAN) Urea Calcium nitrate Ammonium sulphate Calcium ammonium nitrate (CAN) Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It decomposes ammonia It gets oxidised above 500°C None of these Its activity declines rapidly, if heated to above 520°C It decomposes ammonia It gets oxidised above 500°C None of these Its activity declines rapidly, if heated to above 520°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonia synthesis gas is produced from fuel oil by Hydrocracking Hydrogenation Partial oxidation Steam reforming Hydrocracking Hydrogenation Partial oxidation Steam reforming ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Potassic fertilisers None of these Stimulate early growth and accelerate seeding Help in development of starches of potatoes and grain Are useful during early stage of the plant growth None of these Stimulate early growth and accelerate seeding Help in development of starches of potatoes and grain Are useful during early stage of the plant growth ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The composition of fresh feed to the high temperature, high pressure urea autoclave is Excess liquid ammonia and liquefied CO₂ Liquid ammonia and excess compressed CO₂ Excess liquid ammonia and compressed CO₂ gas Compressed ammonia gas and excess compressed CO₂ Excess liquid ammonia and liquefied CO₂ Liquid ammonia and excess compressed CO₂ Excess liquid ammonia and compressed CO₂ gas Compressed ammonia gas and excess compressed CO₂ ANSWER DOWNLOAD EXAMIANS APP
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