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प्रश्न
Write two uses of dioxygen.
उत्तर
- Dioxygen is important for respiration to sustain animal and aquatic life.
- It is used in the manufacture of steel.
- It is used in oxyacetylene flame for welding and cutting of metals.
- Oxygen cylinders are widely used in hospitals, high-altitude flying and mountaineering.
- It is used in the combustion of fuels; for example, hydrazine in liquid oxygen provides tremendous thrust (energy) in rockets.
Notes
Students should refer to this answer according to the question.
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