Q. Dust particles in the air of large industrial cities are removed by
A) Electrophoresis
B) Sedimentation
C) Brownian movement
D) Tyndall effect
✔ Correct Answer: Electrophoresis
Exam Insight
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A) Electrophoresis
B) Sedimentation
C) Brownian movement
D) Tyndall effect
✔ Correct Answer: Electrophoresis
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