Fertiliser Technology Questions

• Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it
• Catalyst used in desulphurisation of naphtha is
• In the manufacture of H3 PO4 (ortho), ; strong H2 SO4 leaching wet process as compared to electric furnace process
• Biuret formation in urea is kept at minimum (< 1 %), because it is
• Pick out the wrong statement.
• A potassic fertiliser contains 50% K2O. It could be
• Raw materials for urea production are
• Catalyst used in steam reforming of naphtha is
• Which of the following fertilisers is used as a cattle feed?
• Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.
• Which of the following does not come under the category of'primary nutrient' for plant growth?
• Gas based fertiliser plants use
• Which nutrient in fertiliser makes the plant stems stronger and increases branching?
• C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about
• Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth?
• Which is the best fertiliser for paddy?
• Low grade coal is __________ to produce ammonia synthesis gas.
• In natural gas, the C/H ratio (by weight) varies in the range of
• Chemical formula of metaphosphoric acid is
• Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.