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upsc .gov .in. The Civil Services Examination ( CSE) is a standardized test in India conducted by the Union Public Service Commission for recruitment to higher civil services in the Government of India, such as the All India Services and Central Civil Services (Group A and a few Group B posts). [ 4]
IUPAC nomenclature of organic chemistry. In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a method of naming organic chemical compounds as recommended [ 1][ 2] by the International Union of Pure and Applied Chemistry (IUPAC). It is published in the Nomenclature of Organic Chemistry (informally called the Blue Book ).
Salt (chemistry) The crystal structure of sodium chloride, NaCl, a typical salt. The purple spheres represent sodium cations, Na +, and the green spheres represent chloride anions, Cl −. The yellow stipples show the electrostatic forces. In chemistry, a salt or ionic compound is a chemical compound consisting of an assembly of positively ...
Aniline (from Portuguese anil 'indigo shrub', and -ine indicating a derived substance) [ 6] is an organic compound with the formula C6H5NH2. Consisting of a phenyl group ( −C6H5) attached to an amino group ( −NH2 ), aniline is the simplest aromatic amine. It is an industrially significant commodity chemical, as well as a versatile starting ...
v. t. e. The Union Public Service Commission ( UPSC; ISO: Saṁgha Loka Sevā Āyoga) is a constitutional body in India that conducts direct recruitment of officers to the All India Services and the Central Civil Services (Group A and B) through examinations. These officers are appointed in various Services under the Government of India. [ 1]
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Shanti Swarup Bhatnagar. Sir Shanti Swarup Bhatnagar OBE, FNI, FASc, [ 2] FRS, [ 1] FRIC, FInstP (21 February 1894 – 1 January 1955) was an Indian colloid chemist, academic and scientific administrator. The first director-general of the Council of Scientific and Industrial Research (CSIR), Bhatnagar is revered as the Father of Research ...
The Central Board of Secondary Education ( CBSE) is a national level board of education in India for public and private schools, controlled and managed by the Government of India. Established in 1929 by a resolution of the government, the Board was an experiment towards inter-state integration and cooperation in the sphere of secondary ...