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  2. pH - Wikipedia

    en.wikipedia.org/wiki/PH

    The pH range is commonly given as zero to 14, but a pH value can be less than 0 for very concentrated strong acids or greater than 14 for very concentrated strong bases. [2] The pH scale is traceable to a set of standard solutions whose pH is established by international agreement. [3]

  3. pH indicator - Wikipedia

    en.wikipedia.org/wiki/PH_indicator

    In and of themselves, pH indicators are usually weak acids or weak bases. The general reaction scheme of acidic pH indicators in aqueous solutions can be formulated as: HInd (aq) + H 2 O (l) ⇌ H 3 O + (aq) + Ind − (aq) where, "HInd" is the acidic form and "Ind −" is the conjugate base of the indicator. Vice versa for basic pH indicators ...

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  6. Category:Children's games - Wikipedia

    en.wikipedia.org/wiki/Category:Children's_games

    This category is for games played informally by children of all ages. Subcategories ... Girls' toys and games (6 C, 10 P) H. Hide-and-seek variants (9 P)

  7. Acidosis - Wikipedia

    en.wikipedia.org/wiki/Acidosis

    The use of acidosis for a low pH creates an ambiguity in its meaning. The difference is important where a patient has factors causing both acidosis and alkalosis, wherein the relative severity of both determines whether the result is a high, low, or normal pH. [citation needed] Alkalemia occurs at a pH over 7.45.

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