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Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...
The FBISE was established under the FBISE Act 1975. [2] It is an autonomous body of working under the Ministry of Federal Education and Professional Training. [3] The official website of FBISE was launched on June 7, 2001, and was inaugurated by Mrs. Zobaida Jalal, the Minister for Education [4] The first-ever online result of FBISE was announced on 18 August 2001. [5]
Federal Board of Intermediate and Secondary Education office in Islamabad. Secondary education in Pakistan begins in year 9 and lasts for four years. After end of each of the school years, students are required to pass a national examination administered by a regional Board of Intermediate and Secondary Education (or BISE).
F. G. Sir Syed College is a boys' college in Rawalpindi, Pakistan.It includes high school (Intermediate level) and graduation classes. It is affiliated with Federal Board of Intermediate and Secondary Education, Islamabad Pakistan, and with University of Punjab for graduation level.
[4] Dera Ghazi Khan: 1989 Dera Ghazi Khan District, Muzaffargarh District, Layyah District, Rajanpur District [5] Faisalabad: 1988 Faisalabad District, Chiniot District, Jhang District, Toba Tek Singh District [6] Gujranwala: 1976 Gujranwala District, Gujrat District, Mandi Bahauddin District, Hafizabad District, Narowal District, Sialkot ...
The following outline acts as an overview of and topical guide to chemistry: . Chemistry is the science of atomic matter (matter that is composed of chemical elements), especially its chemical reactions, but also including its properties, structure, composition, behavior, and changes as they relate to the chemical reactions.
In chemistry, hydrogen atom abstraction, or hydrogen atom transfer (HAT), refers to a class of chemical reactions where a hydrogen free radical (a neutral hydrogen atom) is removed from a substrate, another molecule. This process follows the general equation:
Traité Élémentaire de Chimie, 1789, available in English as Elementary Treatise of Chemistry; Description: This book was intended as an introduction to new theories in chemistry and as such, was one of the first Chemistry textbooks. [9] Importance: Introduction, Influence.