Q7 of 270 Page 79

Which is more basic (or more alkaline): a solution of pH = 8 or a solution of pH = 11?

A solution of pH = 11; as the pH value increases from 7 to 14, it represents an increase in OH– ion concentration in the solution, that is, increase in the strength of alkali.

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5 What is the pH of a neutral solution? 6 Which is more acidic: a solution of pH = 2 or a solution of pH = 6? 8 Name the scientist who developed the pH scale. 9 Name the indicator which can give us an idea of how strong or weak an acid or base is.