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  2. Superacid - Wikipedia

    en.wikipedia.org/wiki/Superacid

    In chemistry, a superacid (according to the original definition) is an acid with an acidity greater than that of 100% pure sulfuric acid (H 2 SO 4), [1] which has a Hammett acidity function (H 0) of −12.

  3. List of citrus fruits - Wikipedia

    en.wikipedia.org/wiki/List_of_citrus_fruits

    Citrus bergamia, the bergamot orange, is a fragrant citrus fruit the size of an orange, with a yellow or green colour similar to a lime, depending on ripeness. Genetic research into the ancestral origins of extant citrus cultivars found bergamot orange to be a probable hybrid of lemon and bitter orange.

  4. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.

  5. Manchineel - Wikipedia

    en.wikipedia.org/wiki/Manchineel

    The manchineel tree (Hippomane mancinella) is a species of flowering plant in the spurge family (Euphorbiaceae).Its native range stretches from tropical southern North America to northern South America.

  6. Citrofortunella - Wikipedia

    en.wikipedia.org/wiki/Citrofortunella

    They produce small acidic fruit and are also more compact than other citrus, making them good ornamental plants. Of this group, the calamansi has a long history of propagation in Asia as an ornamental plant and food flavoring, but many members of the group are of relatively recent (20th century) generation.

  7. Grapefruit - Wikipedia

    en.wikipedia.org/wiki/Grapefruit

    A hybrid fruit, called forbidden fruit, was first documented in 1750 (along with 14 other citrus fruits including the guiney orange) by a Welshman, the Rev. Griffith Hughes, in his The Natural History of Barbados. [1] However, Hughes's forbidden fruit may have been a plant distinct from grapefruit although still closely related to it. [34]

  8. Acidophile - Wikipedia

    en.wikipedia.org/wiki/Acidophile

    In most acid stable proteins (such as pepsin and the soxF protein from Sulfolobus acidocaldarius), there is an overabundance of acidic residues which minimizes low pH destabilization induced by a buildup of positive charge. Other mechanisms include minimization of solvent accessibility of acidic residues or binding of metal cofactors.

  9. Carborane acid - Wikipedia

    en.wikipedia.org/wiki/Carborane_acid

    Carborane acids H(CXB 11 Y 5 Z 6) (X, Y, Z = H, Alk, F, Cl, Br, CF 3) are a class of superacids, [1] some of which are estimated to be at least one million times stronger than 100% pure sulfuric acid in terms of their Hammett acidity function values (H 0 ≤ –18) and possess computed pK a values well below –20, establishing them as some of the strongest known Brønsted acids.