Extraction Of Oxygen & Nitrogen From Liquid Air

The video tutorial explains the composition of air, highlighting the percentages of nitrogen, oxygen, argon, carbon dioxide, and water vapor. It details the process of separating these gases through liquefaction and fractional distillation, including the cooling and filtration steps. The tutorial further explores the uses of nitrogen, argon, and oxygen in various industries, such as creating inert atmospheres, manufacturing ammonia, and medical applications. The video also draws parallels with the fractional distillation of crude oil.

What is the first step in the process of separating air into its components?

• Adding chemicals to the air

• Heating the air to a high temperature

• Compressing the air

• Filtering the air to remove dust

At what temperature does nitrogen boil off during fractional distillation?

• -183 degrees Celsius

• -186 degrees Celsius

• -196 degrees Celsius

• -200 degrees Celsius

Which process is similar to the fractional distillation of air?

• Photosynthesis

• Fermentation

• Electrolysis of water

• Fractional distillation of crude oil

What is one of the primary uses of nitrogen in industry?

• Creating an inert atmosphere for chemical processes

• Producing steel

• Fueling rocket engines

• Making light bulbs

How is argon used in the field of medicine?

• To inflate dry suits for scuba divers

• To weld arteries and correct eye problems

• To preserve tissue samples

• To create an inert atmosphere in light bulbs