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  2. New York Regents Examinations - Wikipedia

    en.wikipedia.org/wiki/New_York_Regents_Examinations

    Due to the COVID-19 pandemic, the Board of Regents cancelled all Regents Examinations in the state of New York for June 2020, August 2020, and January 2021. Also as a result of the COVID-19 pandemic, the Board of Regents voted for a plan on March 15, 2021 to make the Regents exams not required for high school diplomas in the 2020-2021 school year.

  3. List of unsolved problems in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Which "classic organic chemistry" reactions admit chiral catalysts? ... This page was last edited on 29 November 2024, at 13:21 (UTC).

  4. List of exit examinations in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_exit_examinations...

    Regents Examinations: Regents North Carolina: North Carolina Department of Public Instruction: End of Course Tests (Grades 9-12) EOCs Ohio: Ohio State Board of Education: Ohio Graduation Test: OGT [6] Pennsylvania: Pennsylvania Department of Education : Keystone Exam: South Carolina: South Carolina Department of Education: High School ...

  5. List of reagents - Wikipedia

    en.wikipedia.org/wiki/List_of_reagents

    is an alkaline solution of potassium permanganate; used in organic chemistry as a qualitative test for the presence of unsaturation, such as double bonds; N-Bromosuccinimide: used in radical substitution and electrophilic addition reactions in organic chemistry. Also acts as a mild oxidizer to oxidize benzylic or allylic alcohols.

  6. United States National Chemistry Olympiad - Wikipedia

    en.wikipedia.org/wiki/United_States_National...

    The United States National Chemistry Olympiad (or USNCO) is a contest held by the American Chemical Society (ACS) used to select the four-student team that represents the United States at the International Chemistry Olympiad (IChO). Each local ACS section selects 10 students (or more for larger ACS sections) to take the USNCO National Exam.

  7. International Chemistry Olympiad - Wikipedia

    en.wikipedia.org/wiki/International_Chemistry...

    Two separate special awards are given to the students who get the best score in the theoretical and practical examinations. Preparation for the International Chemistry Olympiad demands a high level of understanding and interest in chemistry and an outstanding ability to relate chemical subjects with one another as well as with the practical world.

  8. Reagent - Wikipedia

    en.wikipedia.org/wiki/Reagent

    In chemistry, a reagent (/ r i ˈ eɪ dʒ ən t / ree-AY-jənt) or analytical reagent is a substance or compound added to a system to cause a chemical reaction, or test if one occurs. [1] The terms reactant and reagent are often used interchangeably, but reactant specifies a substance consumed in the course of a chemical reaction. [ 1 ]

  9. Category:Lists of regents - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_regents

    Pages in category "Lists of regents" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. ...