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                                    The pH value of water can be measured with the help ofTuT·atr urada 하す | 
                            
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Answer»  In general, awaterwitha pH< 7 is considered acidic and witha pH> 7 is considered basic. The normal rangefor pHin surfacewatersystems is 6.5 to 8.5 and for groundwater systems 6 to 8.5. Alkalinity is ameasure of thecapacityof the waterto resists a change inpHthatwouldtend to make thewatermore acidic. ph scale is used to measure ph value  | 
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