What are the steps involved in the purification of water of natural sources for drinking purposes?
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1) Filtration :- water must be passed by gravel , sand and charcoal...
2)boiling :- it kill the harmful germs in water...
3) chlorination :-add proper amount of chlorine tablet or bleaching powder to water...
4) loading :- water must sterilised by alum the heavier particles stick to it go down....
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