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Chemistry Notes Class 9 IX Free Download

Chemistry Notes Class 9 IX

These notes are very helpful to prepare Chemistry paper of 9th Class for Sindh Board.Text Book for different boards of Pakistan will provide you ultimate help in your examination preparation. These notes will give you answers of questions, solutions of numerical, solved examples, MCQs  questions from past papers. These notes are helpful for all educational boards of Pakistan These can also be consider as reference notes for Federal Board, Multan Board, Faisalabad Board, Sargodha Board, Gujranwala Board, DG Khan Board, Rawalpindi Board or any other board of Pakistan.Read online or download a pdf copy of secondary stage chemistry book one for ninth class IX notes for Sindh textbook board, jamshoro.The branch of natural science which deals with the study of composition, properties, structure, changes and the laws governing the changes that occurring inside the matter is called chemistry.Matter: anything having mass and occupy space is known as matter. There are three commonly known states of matter. According to the latest information, there are four states of matter 1. Solid 2. Liquid 3. Gas 4. Plasma (newly discovered the fourth state of matter but not known commonly).The Muslim period was from 600 to 1600 a.D in the history of chemistry and is known as the period of the alchemist. The modern scientific knowledge is based on the contribution of these Muslim scholars. Jabir-ibn-hiyan(721-803 A.D) he is generally known as the father of alchemy (founder of chemistry). The topic in this notes are introduction to chemistry,landmarks in the history of chemistry, direction of research of Muslim scientists, chemistry and society, branches of chemistry, the scientific approach in chemistry, laws of chemical combination, conversation of mass to energy, empirical formula (E.F) or simplest formula, formula mass, reaction or changes,single displacement reaction, concept of mole ratio to calculate the amount of reactants, atomic structure, discovery of electrons or cathode discharge tube experiment, radioactivity,weaknesses or defects in rutherford’s atomic model, consider the example of carbon and nitrogen, example of sodium , electronic configurations, states of matter, solution and suspension, reason for bonding,the periodic table, electrochemistry, acid bases and salts, measurement of heat of reaction, now transfer file to your PC or read online easily from given link end of post.

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