11. The optimum size of the ammonia plant is __________ tons/day.
12. Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)
13. Temperature and pressure in urea autoclave is
14. Pick out the wrong statement.
15. Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is
16. Reaction of cresylic acid with __________ produces tricresyl phosphate.
17. Catalyst used in steam reforming of naphtha is
18. Catalyst used in steam reforming of naphtha is
19. Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?
20. Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at
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