Q. Which is the most economical method of removing solid matter from water?
A) Electrolysis
B) Using deactivated carbon
C) Sedimentation
D) Distillation
✔ Correct Answer: Sedimentation
Exam Insight
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A) Electrolysis
B) Using deactivated carbon
C) Sedimentation
D) Distillation
✔ Correct Answer: Sedimentation
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