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Question
Define or explain the following terms:
(ii) pH scale
Define or explain the following terms:
(ii) pH scale
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Solution
(ii) pH scale
pH scale was introduced by Danish biochemist Sorensen in 1909. pH means the potential of hydrogen. It measures the concentration of hydrogen ions in a solution. The pH scale ranges from 0 to 14 and according to the pH values, the unknown solutions are recognized.
- The value of pH for acids varies from 0 to 7.
- The value of pH for bases varies from 7 to 14.
- The pH value of a neutral substance is 7.
The pH scale can be represented as:
624c07f19e56cd80e61a8fbb
(ii) pH scale
pH scale was introduced by Danish biochemist Sorensen in 1909. pH means the potential of hydrogen. It measures the concentration of hydrogen ions in a solution. The pH scale ranges from 0 to 14 and according to the pH values, the unknown solutions are recognized.
- The value of pH for acids varies from 0 to 7.
- The value of pH for bases varies from 7 to 14.
- The pH value of a neutral substance is 7.
The pH scale can be represented as:
624c07f19e56cd80e61a8fbb
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