Class 10 Exam > Class 10 Questions > What is pH?a)The positive logarithm of the hy...
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What is pH?
- a)The positive logarithm of the hydroxide ion concentration
- b)The positive logarithm of the hydrogen ion concentration
- c)The negative logarithm of the hydroxide ion concentration
- d)The negative logarithm of the hydrogen ion concentration
Correct answer is option 'D'. Can you explain this answer?
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What is pH?a)The positive logarithm of the hydroxide ion concentration...
What is pH?
pH is a measure of the acidity or basicity of a solution. It is defined as the negative logarithm (base 10) of the concentration of hydrogen ions (H+) in a solution.
pH Calculation
- pH = -log[H+]
pH Scale
- The pH scale ranges from 0 to 14.
- A pH of 7 is considered neutral, meaning the concentration of H+ ions is equal to the concentration of hydroxide ions (OH-).
- A pH less than 7 is considered acidic, meaning there is a higher concentration of H+ ions than OH- ions.
- A pH greater than 7 is considered basic or alkaline, meaning there is a higher concentration of OH- ions than H+ ions.
pH in Everyday Life
- pH is an important factor in many aspects of everyday life, including water quality, food preservation, and personal hygiene.
- The pH of water can affect the growth of plants and the survival of aquatic animals.
- The pH of food can impact its taste, texture, and shelf-life.
- Personal hygiene products, such as soaps and shampoos, are formulated to have a pH that is compatible with the skin and hair.
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What is pH?a)The positive logarithm of the hydroxide ion concentration...
Definition of ph is also know as negative of logarithm of hydrogen ion concentration
PH= - log [H+]
and POH = -log[OH-]
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What is pH?a)The positive logarithm of the hydroxide ion concentrationb)The positive logarithm of the hydrogen ion concentrationc)The negative logarithm of the hydroxide ion concentrationd)The negative logarithm of the hydrogen ion concentrationCorrect answer is option 'D'. Can you explain this answer?
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