Oxygen is obtained on large scale by the fractional distillation of air as shown on the flow chart below.

      

Oxygen is obtained on large scale by the fractional distillation of air as shown on the flow chart below.

liquid.png


a) Explain why air is considered as a mixture

b) Identify the substance that is removed at the filtration stage

c) Explain why Carbon (IV) oxide and water are removed before liquefaction of air

d) Identify the component that is collected at -186°C

  

Answers


Martin
a)
- Various components can be separated using a physical means / method.
- Components in air are not in fixed proportions.

b)
- dust particles

c)- They would readily solidify and block the pipes

d)Argon
marto answered the question on October 1, 2019 at 08:24


Next: Huyo Meya wetu ana washauri ambao huwasikiliza zaidi hata kama wanampotosha.Fafanua ukirejelea tamthilia "Mstahiki Meya".
Previous: Mwafulani 1: Nilikusahau lini ndiyo sasa nije kukusahau?...... Mwafulani II: …..tusikie.

View More Chemistry Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions