In reverse osmosis, the membrane pores are smaller in size about ___________(a) 0.04 to 600nm(b) 0.08 to 500nm(c) 0.1 to 600nm(d) 0.2 to 500nmThis question was posed to me in an interview for job.I'm obligated to ask this question of Reverse Osmosis, Ultrafilteration, COD and BOD in division Water of Applied Chemistry

In reverse osmosis, the membrane pores are smaller in size about _____

1.	In reverse osmosis, the membrane pores are smaller in size about ___________(a) 0.04 to 600nm(b) 0.08 to 500nm(c) 0.1 to 600nm(d) 0.2 to 500nmThis question was posed to me in an interview for job.I'm obligated to ask this question of Reverse Osmosis, Ultrafilteration, COD and BOD in division Water of Applied Chemistry
Answer» Right option is (a) 0.04 to 600NM For explanation: In REVERSE osmosis, the SIZE of the membrane USED is very smaller. It is about 0.04 to 600nm.

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