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The 2nd group of anions consist of Cl −, Br −, I −, NO − 3 and C 2 O 2− 4. The group reagent for Group 2 anion is concentrated sulfuric acid (H 2 SO 4). After addition of the acid, chlorides, bromides and iodides will form precipitates with silver nitrate. The precipitates are white, pale yellow, and yellow, respectively.
KSEAB came into existence in the year 1966. The Board conducts the SSLC Examination in March / April each year, Second PUC Examination and other examinations are also conducted by this board. [2] KSEAB conducts examinations for Class 10th and 12th of affiliated Schools and Junior Colleges.
In the Indian education system of some Indian states, the pre-university course (PUC) or pre-degree course (PDC) is referred to as intermediate or +2 course, which is a two-year senior secondary education course that succeeds the tenth grade (known as SSLC or SSC in such states, equivalent to sophomore in the US system) and precedes to the completion of a Senior Secondary Course.
The CRC Handbook of Chemistry and Physics is a comprehensive one-volume reference resource for science research. First published in 1914, it is currently (as of 2024 [update] ) in its 105th edition, published in 2024.
Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structuressssss, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. [1]
The FDA determined that the data presented in a 2022 color additive petition show that this ingredient causes cancer in male laboratory rats exposed to high levels of FD&C Red No. 3 because of a ...
The use of the available secondary literature is strongly recommended to reference information on chemical safety, in preference to either (primary) journal articles or (tertiary) generalist textbooks: see Wikipedia:Manual of Style (chemistry)/Safety for more details and examples of secondary sources.
Cher's driver's license is registered exactly how fans would imagine it to be.. During an appearance on Jimmy Kimmel Live!on Tuesday, Jan. 7, the multi-hyphenate brainstormed ideas for the second ...