(a) describe the use of nitrogen, from air, and hydrogen, from cracking oil, in the manufacture of
ammonia
(b) state that some chemical reactions are reversible, e.g. manufacture of ammonia
(c) describe the essential conditions for the manufacture of ammonia by the Haber process
(d) describe the displacement of ammonia from its salts
-Syllabuses from SEAB
This section is only covered in the O Level (Pure Chemistry) syllabus.
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