Q. Triple superphosphate is chemically represented as

View solution

Q. In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at

View solution

Q. Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

View solution

Q. Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

View solution

Q. Which of the following gasifiers can be attached to coal based fertiliser plants ?

View solution

Q. NPK fertiliser is a __________ fertiliser.

View solution

Q. Reaction of calcium fluorapatite with sulphuric acid produces

View solution

Q. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?

View solution

Q. Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.

View solution

Q. Triple superphosphate is made by reacting phosphate rock with __________ acid.

View solution

Q. C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about

View solution

Q. Raw materials for urea production are

View solution

Q. Which of the following is not a mixed fertiliser ?

View solution

Q. Chemical formula of metaphosphoric acid is

View solution

Q. Low grade coal is __________ to produce ammonia synthesis gas.

View solution

Q. Which of the following does not come under the category of 'primary nutrient' for plant growth?

View solution

Q. Effectiveness of a fertiliser is independent of the

View solution

Q. Which nutrient in fertiliser makes the plant stems stronger and increases branching ?

View solution

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