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Question
The scale showing the relative strength of acids and alkalis is known as:
The scale showing the relative strength of acids and alkalis is known as:
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Solution
The correct option is D pH scale
pH scale is a logarithmic scale used to specify the acidity and the basicity of the solution. The solutions having pH lesser than 7 are acidic whereas solutions having pH more than 7 are basic. At pH 7 the solution is said to be neutral.More acidic substances have the lesser value and more basic substances have higher pH.Thus, pH scale is used to show the relative strength of acids and alkalis.Hence, the correct answer is the option (D).
pH scale is a logarithmic scale used to specify the acidity and the basicity of the solution. The solutions having pH lesser than 7 are acidic whereas solutions having pH more than 7 are basic. At pH 7 the solution is said to be neutral.
More acidic substances have the lesser value and more basic substances have higher pH.
Thus, pH scale is used to show the relative strength of acids and alkalis.
Hence, the correct answer is the option (D).
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