7. State any two uses of hydrogen.
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commercial fixation of nitrogen from the air in the Haber ammonia process
hydrogenation of fats and oils
methanol production, in hydrodealkylation, hydrocracking, and hydrodesulphurization
rocket fuel
welding
production of hydrochloric acid
reduction of metallic ores
for filling balloons (hydrogen gas much lighter than air; however it ignites easily)
liquid H2 is important in cryogenics and in the study of superconductivity since its melting point is only just above absolute zero
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Answer:
1. Commercial fixation of nitrogen from the air in the Haber ammonia process.
2. Hydrogenation of fats and oils.
3. Methanol production, in hydrodealkylation, hydrocracking, hydrodesulphurization.
4. Rocket fuel.
5. Welding.
6. Production of hydrochloric acid.
7. Reduction of metallic ores.
Explanation:
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