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Question

Why is pH of pure water 7?

A
Concentration of hydroxide ion and hydrogen ion is equal
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B
Concentration of hydroxide ion and hydrogen ion is zero
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C
Concentration of hydroxide ion is more and hydrogen ion is less
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D
None of above
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Solution

The correct option is C Concentration of hydroxide ion and hydrogen ion is equal
pH is a scale used to determine the concentration of hydrogrn ions in a solution. The pH of pure water is seven. Concentration of hydroxide ion and hydrogen ion is equal in pure water making it neutral.

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