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  2. pH indicator - Wikipedia

    en.wikipedia.org/wiki/PH_indicator

    Solutions with a pH value below 7.0 are considered acidic and solutions with pH value above 7.0 are basic. Since most naturally occurring organic compounds are weak electrolytes , such as carboxylic acids and amines , pH indicators find many applications in biology and analytical chemistry .

  3. Universal indicator - Wikipedia

    en.wikipedia.org/wiki/Universal_indicator

    A universal indicator is a pH indicator made of a solution of several compounds that exhibit various smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solutions. A universal indicator can be in paper form or present in a form of a solution.

  4. Phenol red - Wikipedia

    en.wikipedia.org/wiki/Phenol_red

    Phenol red exists as a red crystal that is stable in air. Its solubility is 0.77 grams per liter (g/L) in water and 2.9 g/L in ethanol. [1] It is a weak acid with p Ka = 8.00 at 20 °C (68 °F). A solution of phenol red is used as a pH indicator, often in cell culture.

  5. Kate Middleton’s Go-To Luxury Label The Vampire’s Wife Is ...

    www.aol.com/entertainment/kate-middleton-luxury...

    Kate, 42, famously turned heads in a shimmery pink chiffon dress from the brand during a tour of the Caribbean with husband Prince William in March 2022. The lively gown fell elegantly on Kate’s ...

  6. Phillies' Bryce Harper helps local high schooler land date ...

    www.aol.com/sports/phillies-bryce-harper-helps...

    It's prom season, which means high schoolers will be getting creative as they seek dates for the end-of-year party. Jake Portella, a student at Haddonfield Memorial High School in New Jersey ...

  7. Zazzle - Wikipedia

    en.wikipedia.org/wiki/Zazzle

    Zazzle is an American online marketplace that allows designers and customers to create their own products with independent manufacturers (clothing, posters, etc.), as well as use images from participating companies.

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