Which is the most economical method of removing solid matter from water? - General Science MCQ Indian Competitive Exams 2026 | ExamTest.live | ExamTest.live

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Which is the most economical method of removing solid matter from water?

A $Using deactivated carbon$
B $Electrolysis$
C $Distillation$
D $Sedimentation$

Solution & Step-by-step Explanation

Sedimentation is a physical water treatment process using gravity to remove suspended solids from water. Because it relies purely on natural gravity over time and requires minimal chemical usage or energy input compared to electrolysis, distillation, or advanced carbon setups, it is highly economical for bulk removal.

Practice this question

Try it yourself before checking the explanation above.

Which is the most economical method of removing solid matter from water?

A

Using deactivated carbon

B

Electrolysis

C

Distillation

D

Sedimentation

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Environmental Science Water Treatment Engineering

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