Write full form of pH and importantance of PH in daily life ?Give reason why dose tooth decay start when pH of mouth is lower then 5.5
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The letters pH stand for potential of hydrogen, since pH is effectively a measure of the concentration of hydrogen ions (that is, protons) in a substance. The pH scale was devised in 1923 by Danish biochemist Søren Peter Lauritz Sørensen (1868-1969).
because the acidic nature increases and the tooth cannot withstand it , think of this as adding a chunk of CaCO3 in HCl acid .
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