Respuesta :
The pOH scale is similar to the pH scale in that a pOH of 7 is indicative of a neutral solution. A basic solution has a pOH less than 7, while an acidic solution has a pOH of greater than 7.
What is acidic solution?
Aqueous Arrhenius acids have distinguishing characteristics that serve as a useful definition of an acid. Acids can turn blue litmus red, produce aqueous solutions with a sour taste, and react with bases and some metals (like calcium) to generate salts. The Latin word acidus/acre, which means "sour," is where the word acid originates. While the technical definition solely refers to the solute, an aqueous solution of an acid with a pH less than 8 is sometimes commonly referred to as "acid" (as in "dissolved in acid"). Higher acidity and, thus, a higher concentration of positive hydrogen ions in the solution are indicative of a lower pH. Acidic substances are described as possessing the characteristics of an acid.
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