Chemistry
What do you understand by pH value? Two solution X and Y have pH values of 4 and 10 respectively. Which one of these two will give a pink colour with phenolphthalein indicator.
Acids Bases Salts
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Answer
pH of a solution is the negative logarithm to the base 10 of the hydrogen ion concentration expressed in moles per litre.
The solution with pH value 10 [i.e., Y] will give pink colour with phenolphthalein indicator.
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