Q. Optimum reaction temperature in steam reforming of naphtha is __________ °C.

View solution

Q. Which of the following is a natural inorganic fertiliser ?

View solution

Q. Oxidation of ammonia is

View solution

Q. Reaction of orthophosphoric acid with phosphate rock produces

View solution

Q. Flushing liquor used for cooling coke oven gas constitutes of

View solution

Q. Temperature and pressure in ammonia converter is

View solution

Q. pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.

View solution

Q. Yield of elemental phosphorous from rock phosphate is about __________ percent.

View solution

Q. Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by

View solution

Q. Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is

View solution

Q. Pick out the wrong statement.

View solution

Q. Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃

View solution

Q. A nitrogenous fertiliser contains 20% N₂. It could be

View solution

Q. Gas based fertiliser plants use

View solution

Q. Catalyst used in steam reforming of naphtha is

View solution

Q. Which of the following fertilisers contains the least percentage of nitrogen?

View solution

Q. In the manufacture of H₃PO₄ (ortho), ; strong H₂SO₄ leaching wet process as compared to electric furnace process

View solution

Q. Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and

View solution

Q. Which of the following fertilisers is used as a cattle feed?

View solution

Q. Biuret formation in urea is kept at minimum (< 1 %), because it is

View solution