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www.edu.pe.ca/gulfshore/Archives/ACIDSBAS/scipage.htm

The pH scale measures how acidic or basic a substance is. It ranges from 0 to ... If a pH is lower than 7 it indicates the solution is an acid. ... What does it look like.

www.businessdictionary.com/definition/pH-scale.html

Definition of pH scale: A measure of acidity or alkalinity of water soluble ... Values below 7 indicate acidity which increases as the number decreases, 1 being the ...

www.answers.com/Q/What_does_the_pH_scale_indicate

Answer the pH scale is used to show how acidic or basic a substance is... you usually use red or blue litmus paper, and then using the label that.

chemistry.elmhurst.edu/vchembook/184ph.html

The pH scale measures how acidic or basic a substance is. ... The values for Kw, H+, OH- concentration all indicate that the equilibrium favors the reactant (water ...

www.parish-supply.com/ph-scale.aspx

ph scale, A measure of the degree of the acidity or the alkalinity of a solution as ... How does the pH affect the cleaning power and corrosiveness of a product? ... Numbers below 7.0 indicate acidity; numbers greater than 7.0 indicate alkalinity.

water.usgs.gov/edu/ph.html

Dec 2, 2016 ... Not only does the pH of a stream affect organisms living in the water, ... pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. ... By using the logarithm scale, this mine-drainage water would be ...

www.quora.com/What-does-pH-indicate

pH of a solution is the negative logarithm of the hydrogen ions concentration. If pH of a... ... What is a PH scale? What does pH stand for? ... pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. Importance of pH.

sciencing.com/ph-numbers-considered-acidic-base-neutral-8614.html

Apr 24, 2017 ... The pH scale, which ranges from 0 to 14, indicates how acidic or alkaline a material is. The scale is based on the concentration of hydrogen, H, ...

www.sciencebuddies.org/science-fair-projects/project_ideas/Chem_AcidsBasespHScale.shtml

An Introduction to acids, bases, and the pH scale. ... What does it mean for a solution to be acidic or basic (alkaline)?. It all has to do with hydrogen ions ...

medical-dictionary.thefreedictionary.com/pH+scale

Meaning of pH scale medical term. What does pH scale mean? ... neutrality, a pH of less than 7 indicates acidity, and a pH of more than 7 indicates alkalinity.