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प्रश्न
Treatment through sand and pressure filters, iron removal and deflourination are examples of chemical treatment.
पर्याय
True
False
MCQ
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उत्तर
True
Explanation:
Physical filtration is used in sand and pressure filters, but chemical treatment is used in processes such as iron removal and deflourination to remove specific contaminants from water. Chemicals such as coagulants or precipitate agents are used to remove iron and fluoride, classifying these operations as chemical treatment methods.
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