Ammonia synthesis gas is produced from natural gas by___________________?

A. Ammonium carbonate
B. Biuret
C. Carbon dioxide
D. Ammonium carbamate

A. Nickel
B. Iron
C. Vanadium pentoxide
D. Alumina

A. A mixture of K2CO3 and As2O3
B. K2SO4
C. A mixture of Na2CO3 and As2O3
D. Na2SO4

A. Natural gas as a source of hydrogen
B. Natural gas as heating medium
C. Coal gas as a source of hydrogen
D. Coal gas as heating medium

A. 5
B. 20
C. 50
D. 65

A. 700 – 1000
B. 300 – 450
C. 1500-1700
D. 100-200