In calcium ammonium nitrate (CAN) fertiliser ____________________?
(A) Nitrate nitrogen is quick acting
(B) Ammoniacal nitrogen is quick acting
(C) Nitrate nitrogen is slower acting
(D) None of these
Catalyst used in desulphurisation of naphtha is____________________?
(A) Co-Mo
(B) Pt-Rh
(C) Silica gel
(D) Nickel
Steam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?
(A) 1.5 : 1
(B) 3.5 : 1
(C) 10 : 1
(D) 15 : 1
Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process ?
(A) High pressure, low reactants concentration, high temperature
(B) High pressure, low reactants concentration, low temperature
(C) High pressure, high reactants concentration, low temperature
(D) Low pressure, high reactants concentration, low temperature
Which of the following does not come under the category of ‘secondary nutrient’ for plant growth ?
(A) Calcium
(B) Magnesium
(C) Sulphur
(D) Oxygen
Which of the following fertilizers is used as a cattle feed ?
(A) Urea
(B) Calcium ammonium nitrate
(C) Superphosphate
(D) Ammonium sulphate
CaH4(PO4)2 is the chemical formula of ___________________?
(A) Superphosphate
(B) Triple superphosphate
(C) Calcium phosphate
(D) Meta phosphoric acid
C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about_________________?
(A) 2
(B) 6
(C) 13
(D) 20
Temperature and pressure in ammonia converter is_________________?
(A) 200 atm, 1000°C
(B) 450 atm, 200°C
(C) 450 atm, 550°C
(D) 450 atm, 1000°C