Nitrolime is Calcium nitrate Calcium ammonium nitrate A mixture of nitric acid and lime A mixture of ammonium nitrate and calcium nitrate TRUE ANSWER : ? YOUR ANSWER : ?
Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent. 50 65 5 20 TRUE ANSWER : ? YOUR ANSWER : ?
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at Rourkela (under SAIL) Bokaro (under SAIL) Sindri (under FCI) Baroda (under G.S.F.C.) TRUE ANSWER : ? YOUR ANSWER : ?
Reaction of cresylic acid with __________ produces tricresyl phosphate. Phosphorous oxychloride Ammonium phosphate Calcium phosphate Phosphorous pentoxide TRUE ANSWER : ? YOUR ANSWER : ?
Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Rate of reaction is very low Very high pressure is required resulting in costly pressure vessel None of these Space velocity of gas is very low resulting in decreased conversion TRUE ANSWER : ? YOUR ANSWER : ?
H₃PO₄ is the chemical formula of __________ phosphoric acid. None of these Meta Pyro Ortho TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a mixed fertiliser? Nitrophosphate Calcium ammonium nitrate (CAN) Ammonium phosphate None of these TRUE ANSWER : ? YOUR ANSWER : ?
Iron is not used alone as a catalyst in ammonia synthesis, because It decomposes ammonia It gets oxidised above 500°C None of these Its activity declines rapidly, if heated to above 520°C TRUE ANSWER : ? YOUR ANSWER : ?
Ammonia synthesis gas is produced from fuel oil by Hydrocracking Partial oxidation Steam reforming Hydrogenation TRUE ANSWER : ? YOUR ANSWER : ?
Phosphatic fertilisers Are useful during early stage of the plant growth Accelerate fruit formation in later stages of growth None of these Lessen the effect of excessive nitrogen application TRUE ANSWER : ? YOUR ANSWER : ?