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Question

pH signifies

A
Power of hydrogen
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B
- log [H+]
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C
14 - pOH
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D
All of the above
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Solution

The correct option is D All of the above
pH stands for Puissance de Hydrogen (French: power of hydrogen). pH is a numeric scale used to specify the acidity or alkalinity of an aqueous solution. It is the negative of the logarithm to base 10 of the activity of the hydrogen ion. Solutions with a pH less than 7 are acidic and solutions with a pH greater than 7 are alkaline or basic.

pH=log[H+]

At room temperature pH14pOH.

All of the given options are correct.

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