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Soluble or Insoluble

Physical remo...

Question

Physical removal of large and small particles from the sewage through filtration and sedimentation is called:

A

Primary treatment

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B

Secondary treatment

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C

Tertiary treatment

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D

Quaternary treatment

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Solution

The correct option is A
Primary treatment

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Similar questions

Physical removal of large and small particles from the sewage through filtration and sedimentation is called:

Q. Study the following statements and select the incorrect ones.

(i) Physical removal of large and small particles through filtration and sedimentation is called primary sewage treatment.
(ii) Secondary sewage treatment is mainly a mechanical process.
(iii) Activated sludge sediment in a sewage treatment plant is a rich source of aerobic bacteria.
(iv) Biogas, commonly called as gobar gas, is pure methane.

Q. Assertion :Secondary treatment of sewage is also called biological treatment while primary treatment is called physical treatment. Reason: Primary sewage treatment depends only upon sedimentation properties of materials present in sewage and filtration.

Q. Physical treatment for the industrial wastes include sedimentation and filtration.

Q. Physical removal of particles from the sewage takes place in which of the following treatments?

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