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Page No., Date, The, PH Scale, scale starts!, that the, mange from, cwith, O to 14, The, indicates, azeropH., is, Solu tion, Stongly Acidic., At, the other.end of the scale,, is 14 indicotes that the solution, PH Ps, is, Stoongly alkaline /Bosie., The central point pH in the scale, is 7.0 (neutral), • O, The ०९१ion, The region coith, below 7" is, a acidie and above, as basic., desianated, as, is dosignated, #Measurement Of, f PH %, %3D, %3D, The pH by, Methods:-, value is measured, PH, paper, Electoometsic Method, 34 calosinetsic method, 27 PH paper:, In this He thod, pH of a solution is, with, pH paper., determined, of PH paper, the Sample then, of Colouo, piece, is partialy ddipped into, compare the change., chart, A, cwith the colour, and recom.remikeducationiýe of, PH., Scanned by CamScanner