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What is the Full Form of pH?

Published in Science 2 mins read

The full form of pH is potential of hydrogen. It's a measure of the acidity or alkalinity of a solution.

pH is a logarithmic scale that ranges from 0 to 14, with 7 being neutral. Solutions with a pH less than 7 are acidic, while those with a pH greater than 7 are basic (also called alkaline).

The pH scale is based on the concentration of hydrogen ions (H+) in a solution. The more hydrogen ions present, the more acidic the solution.

The pH scale is used in many different fields, including:

  • Chemistry: To measure the acidity or alkalinity of solutions.
  • Biology: To measure the pH of body fluids, such as blood and urine.
  • Agriculture: To measure the pH of soil.
  • Food science: To measure the pH of food products.

Examples of pH values:

  • Battery acid: pH 0
  • Lemon juice: pH 2
  • Vinegar: pH 3
  • Black coffee: pH 5
  • Pure water: pH 7
  • Baking soda: pH 9
  • Bleach: pH 12
  • Drain cleaner: pH 14

How to measure pH:

pH can be measured using a variety of methods, including:

  • pH meter: This is the most accurate method for measuring pH.
  • pH paper: This is a type of litmus paper that changes color depending on the pH of the solution.
  • pH indicator solutions: These solutions change color depending on the pH of the solution.

Conclusion:

pH is a crucial measure of acidity or alkalinity. Understanding the pH scale and its application in different fields can help us make informed decisions about the solutions we use and the environments we interact with.

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