Question

Give two medical and industrial uses of oxygen.

Answer 1

Oxygen occurs in a free state:

• It is present in atmospheric air.
• About 21% of air is oxygen.

Oxygen occurs in a combined state:

• It is present in water, rocks, minerals, and sand.
• It is present in most organic matter.
• It is utilized by plants and animals.

Two medical uses of oxygen:

• It is used to treat respiratory illnesses like COVID-19 and pneumonia.
• It is also essential for surgery and trauma.

Two industrial uses of oxygen:

• It is used for steel making.
• It is used in metal refining and fabrication processes.
• It is used for environmental protection in municipal and industrial effluent treatment plants and facilities.