Which of the following methods are part of water purification process?

Note: This question has more than one answer.

Chlorination

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Condensation

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Sedimentation

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Filteration

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Solution

The correct options are
A Chlorination
C Sedimentation
D Filteration
Dirty water is passed through many stages to purify it make it usable for daily needs. The methods used for the purpose are:
1. Screening- To remove large sized impurities
2. Sedimentation- To settle down heavier particles
3. Chlorination- To kill the bacteria
4. Filtration- To filter left out small impurities

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