Get premium membership and access questions with answers, video lessons as well as revision papers.

Describe the process by which Nitrogen is obtained from air on a large scale

      

Describe the process by which Nitrogen is obtained from air on a large scale.

  

Answers


John
1. Filter the air/electrostatic precipitation/purify the air

2. Pass air through sodium hydroxide (NaOH) or potassium hydroxide (KOH) to remove carbon (IV) oxide (CO2)

3. Cool to -25o to remove water vapour

4. Cool the remaining gases to form a liquid air

5. Perform fractional distillation of liquid air at -200oC

6. Nitrogen is collected at -196oC
johnmulu answered the question on February 6, 2017 at 05:51


Next: Name one raw material from which sodium hydroxide is manufactured
Previous: Give a reason why nitrogen (II) oxide is not formed at room temperature

View More Chemistry Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions