The structure and function of carbohydrates A carbohydrate is an organic molecule containing only Carbon‚ Hydrogen and Oxygen with the general formula Cn(H20)n. They are made up of individual molecules called monomers which are joined together by condensation reactions to make a longer chain called a polymer. Carbohydrates are categorised in to three main groups; monosaccharides‚ disaccharides and polysaccharides. Monosaccharides are single sugars and are sweet tasting soluble substances such
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Rubidium To start off this amazing element has just a little bit of history to it. At first when I heard about this element I thought it was some type of gas but it can turn it to a liquid at a certain type of liquid. But is actually a very shiny type of metal. Rubidium was discovered by Kirchoff and Bunsen in 1861 through the use of a spectroscope. Rubidium metal can be made by minimizing rubidium chloride with calcium with other substances. The cost of this metal in small quantities is approximately
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Chemistry has been called the science of what things are. Its intent is the exploration of the nature of the materials that fabricate our physical environment‚ why they hold the different properties that depict them‚ how their atomic structure may be fathomed‚ and how they may be manipulated and changed. Although organic reactions have been conducted by man since the discovery of fire‚ the science of Organic chemistry did not develop until the turn of the eighteenth century‚ mainly in France at
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Apeejay School Kolkata (WEST BENGAL) DEPARTMENT OF CHEMISTRY This is to satisfy that Ritika Kataruka bearing Roll no _______ Studyng in class XII (Science) of this institution has successfully completed the Chemistry Project. “To Study the quantity of casein present in different samples of Milk” Based on the syllabus of C.B.S.E. council for the session 2013-2014 AISSCE under my guidance and supervision and has given satisfactory account
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The lipid layer is what makes them resistant to acids and alkalis‚ as well as some other chemicals. This explains why the ascaris lumbricoides are such a resilient parasite. Adult female worms can grow up to over 12 inches long‚ and are larger than the males. The males tend to only grow up to 11.8110 inches. Adult
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element. Columns of elements help to distinguish groups in the periodic table. Elements within a group share several common properties and often have the same outer electron arrangement. Most of the elements on the periodic table are metals. The alkali metals‚ alkaline earths‚ basic metals‚ transition metals‚ lanthanides and actinides all are groups of metals. The present periodic table has room for 118 elements. Elements aren ’t discovered or created in order of atomic number. Scientists are working
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diamond like crystalline structure. It’s is very similar in chemical and physical properties to that of silicon ( The Element). The element does not chemically react when introduced to air or water( The Element). Germanium is also unaffected by alkalis and acids except for nitric acid. It has 9 isotopes. Germanium isotopes are more often used for the production of medical As and Se radioisotopes. Ge-74 is used in the production for As-74‚ Ge-76 is used for the production of As-77‚ Ge-74 for the
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found in dying specialists and hair dye and most business hair items contain an astounding 60% of them! Proceeded with inward breath of persulfates can prompt to diligent hack‚ throat distress‚ wheezing‚ lung aggravation‚ and all out asthma assaults. Alkali is another normal patron to asthma assaults when utilizing hair dye. In high focuses‚ it can undoubtedly compound prior breathing conditions. Extreme Allergic Reaction There are no less than twelve unique chemicals in hair dye that can bring about
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that its nose remains above the kerosene layer. Concurrently‚ a reagent bottle would be filled with water and have a layer of kerosene on the surface. This will serve as the control. A vial containing NaOH together with filter paper saturated with alkali will be placed into the animal chamber. A bent tube would be is inserted through one of the holes to be connected to the manometer. Through the other hole‚ a sealed glass tube would be inserted to prevent any contact with the atmosphere. The set-up
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Lovely Professional University‚ Punjab Course Code Course Title Course Planner Lectures CHE883 ENVIRONMENT CHEMISTRY 15316::Pushp Lata Course Category Tutorials Practicals Credits Courses with numerical and conceptual focus 3.0 0.0 0.0 TextBooks Sr No Title Author T-1 Environmental Chemistry Edition Year Publisher Name Colin Baird‚ Michael Cann 4th 2008 W.H. Freeman and company Reference Books Sr No Title Author Edition
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