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Answer Posted / surya
In PH scale (0-14) messurments,at PH is 7 (nuetral) and 7
to 0 the acidic nature increses,7 to 14 the basic nature
increses.
Eg; 1.PH;3 is more acidic then PH;4
2.PH;9 is more basic then PH;8
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