Fertiliser Technology Catalyst used in desulphurisation of naphtha is Silica gel Co-Mo Pt-Rh Nickel Silica gel Co-Mo Pt-Rh Nickel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology 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 Atmospheric pressure; as the pressure has no effect on conversion Low pressure High pressure Very high temperature Atmospheric pressure; as the pressure has no effect on conversion Low pressure High pressure Very high temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Is used less frequently Is weak acid process Produces a valuable by-product called gypsum Can use only high grade phosphate rock Is used less frequently Is weak acid process Produces a valuable by-product called gypsum Can use only high grade phosphate rock ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Biuret formation in urea is kept at minimum (< 1 %), because it is Corrosive in nature Helpful in decomposition of urea Explosive in nature Toxic and harmful to some crops Corrosive in nature Helpful in decomposition of urea Explosive in nature Toxic and harmful to some crops ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? Iso propyl alcohol Hexane Toluene Butyl alcohol Iso propyl alcohol Hexane Toluene Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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