Catalyst used in desulphurisation of naphtha is____________________?
Catalyst used in desulphurisation of naphtha is____________________?
A. Co-Mo
B. Pt-Rh
C. Silica gel
D. Nickel
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In natural gas, the C/H ratio (by weight) varies in the range of_________________?
In natural gas, the C/H ratio (by weight) varies in the range of_________________?A. 3-4
B. 8-10
C. 15-17
D. 20-25Calcium ammonium nitrate (CAN) is__________________?
Calcium ammonium nitrate (CAN) is__________________?A. A mixed fertiliser
B. A straight fertiliser
C. A complex fertiliser
D. Not a fertiliser; it is an explosiveCatalyst used in ammonia synthesis uses ____________ as a promoter?
Catalyst used in ammonia synthesis uses ____________ as a promoter?A. Pt
B. K2O
C. Al2O3
D. NiSodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?A. Carbonate
B. Phosphate
C. Bicarbonate
D. SilicateRed phosphorous is changed into white phosphorous by______________________?
Red phosphorous is changed into white phosphorous by______________________?A. Heating in presence of light
B. Melting under pressure
C. Vaporisation followed by condensation
D. None of theseWhich of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition _______________?
Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition _______________?A. Electrolysis of water
B. Cryogenic removal of H2 from coke oven gas
C. Steam reforming of naphtha
D. Natural gas cracking