Pollution of Air and Water — Science STD 8 — Question
Gujarat BoardEnglish MediumSTD 8SciencePollution of Air and Water3 Marks
Question
Suggest methods by which water can be made potable at home.
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Answer
Water can be made potable at home by following ways: Physical method: use of household filter like candle type filter. Chemical method: adding of chlorine tablets or bleaching powder to water which is called chlorination process. We should not use more chlorine tablets than specified otherwise it may be harmful.
We can also purify water by boiling at home.
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