Search results
Results from the WOW.Com Content Network
Starting in 2010, every year free books are distributed to students between Grade-1 to Grade-10 to eliminate illiteracy. [6] These books comprise most of the curricula of the majority of Bangladeshi schools. There are two versions of the curriculum. One is the Bengali language version and the other one is English language version.
Science (Total 11 subjects must be studied for science students). [25] In class 9–10 and 11–12, each has its own pre-selected set of subjects with one optional subject which can be changed. For instance, a student studying in science group can't replace chemistry, Bangla or religion for accounting or history.
Lewis acids and bases are commonly classified according to their hardness or softness. In this context hard implies small and nonpolarizable and soft indicates larger atoms that are more polarizable. typical hard acids: H +, alkali/alkaline earth metal cations, boranes, Zn 2+ typical soft acids: Ag +, Mo(0), Ni(0), Pt 2+
An autograph book (also known as an autograph album, a memory album or friendship album) [1] is a book for collecting the autographs of others. Traditionally they were exchanged among friends, colleagues, and classmates to fill with poems , drawings, personal messages, small pieces of verse, and other mementos .
Acid salts are a class of salts that produce an acidic solution after being dissolved in a solvent. Its formation as a substance has a greater electrical conductivity than that of the pure solvent. [1] An acidic solution formed by acid salt is made during partial neutralization of diprotic or polyprotic acids.
An autograph is a person's own handwriting or signature. The word autograph comes from Ancient Greek (αὐτός, autós, "self" and γράφω, gráphō, "write"), and can mean more specifically: [1] [2] a manuscript written by the author of its content. [1] [2] In this meaning the term autograph can often be used interchangeably with ...
Animation of a strong acid–strong base neutralization titration (using phenolphthalein).The equivalence point is marked in red. In chemistry, neutralization or neutralisation (see spelling differences) is a chemical reaction in which acid and a base react with an equivalent quantity of each other.
An autograph or holograph is a manuscript or document written in its author's or composer's hand. The meaning of "autograph" as a document penned entirely by the author of its content (as opposed to a typeset document or one written by a copyist or scribe other than the author) overlaps with that of "holograph".