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Water — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYWater3 Marks
Question
What are the three methods of removing germs from natural water? Explain.
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Answer

Three methods to remove germs :
1. By boiling: Boiling kills germs present in water.
2. Adding potassium permanganate: By adding potassium permanganate in the well the germs can be killed.
3. Chlorination: After filtration water is passed through chlorination tank here chlorine kills the germs.

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