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Nitrogen and Hydrogen
Nitrogen N2
Nitrogen is :
- a colourless odourless gas
- almost insoluble in water
- generally unreactive
- occupies approximately 78% per volume of atmosphere
- b.p. –196°C
Industrial process for manufacturing Nitrogen
- fractional distillation of liquid air
Hydrogen H2
Hydrogen is obtained from coal gasification as a by-product.
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