Chemistry 0.0 / 5 ? ChemistryHaber and industrial processesGCSEOCR Created by: alexandramaeCreated on: 06-04-14 11:22 How is hydrogen obtained? Obtained by reacting natural gas (methane) with steam OR through the cracking of oil 1 of 6 What is used to make ammonia? (NH3) Nitrogen gas & hydrogen gas? 2 of 6 What are the properties of ammonia? It has a chocking smell, is a colourless gas & is a weak alkali = very soluble in water 3 of 6 How is nitrogen obtained? Obtained by burning hydrogen in air. Air = 80% nitrogen. When hydrogen is burned in the air, oxygen & hydrogen combine leaving nitrogen behind 4 of 6 Under what conditions will nitrogen & hydrogen react? 1) A high temperature - about 450C 2) A high pressure - about 200 atmospheres 3) An iron catalyst 5 of 6 Is this reaction reversible? Yes 6 of 6
Comments
No comments have yet been made