A.liquid ammonia and air
B.liquid ammonia 60% nitric acid and clay (diatomaceous earth kieselgur)
C.anhydrous ammonia and nitrous acid
D.liquid ammonia and 98% sulphuric acid
A.liquid ammonia and air
B.liquid ammonia 60% nitric acid and clay (diatomaceous earth kieselgur)
C.anhydrous ammonia and nitrous acid
D.liquid ammonia and 98% sulphuric acid