Question

the pressure required for the preparation of ammonia gas .
(a) 1 Atmos
(b) 20 Atmos
(c) 200 Atmos
(d) 100 Atmos
​

Answer 1

Answer:

200 Atmos

Explanation:

The dominant ammonia production process is the Haber-Bosch process invented in 1904 which requires high temperature (~500°C) and high pressure (150–300 bar), in addition to efficient catalysts3,4. Natural gas or coal is used as the energy source of the ammonia industry.