Introduction 1
Carbon dioxide 1 2 3
Oxygen and Nitrogen 1 2 3 4 5
Hydrogen 1 2 3
Ammonia 1 2 3
Sodium carbonate 1 2 3
Sodium hydroxide and Chlorine 1 2 3 4 5 6
Nitric acid 1 2 3 4
Sulfuric acid 1 2 3
Phosphoric acid 1 2 3
Fertilizers 1 2
Cement 1 2 3
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