ical Chemistry 1.which of the following pairs of compound will react? iC3H6+Br2 iiC3H6+Cl2 in sunlight iiiC3H6+H2O in the presence of sulphuric acid ivC3H6+H2O in the presence of concentrated sulphuric acid a.i b.i‚iii c.i‚ii‚iii d.all 2.liqiud y reacts with magnesium metal to produce a gas that burns with a pop sound when a flaming wooden splint is placed near it.liqiud y is most likely a compound that has the formula a.c2h5oh b.hcooh c.h3cooch3 d.c6h14 3.a compound p has the
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Extraction of Aluminium Aluminium ore is called bauxite. Bauxite contains aluminium oxide‚ water‚ iron oxide and other impurities. The purified dry ore‚ called alumina‚ is aluminium oxide (Al2O3). The alumina must be molten for electrolysis to work‚ since the ions are not free to move in the solid state. Unfortunately‚ alumina has a high melting point (2040 °C) and it is not practical to do electrolysis at such a high temperature. In the middle of the nineteenth century it was found that alumina
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Introduction: I have selected a very interesting chapter from our final syllabus for my presentation. The selected topic is closely attached to Communication and Consumer Behavior. Before entering to my main topic‚ I like to discuss something about communication. Communication at a Glance: Communication is the process of conveying information from a sender to a receiver with the use of a medium in which the communicated information is understood by both sender and receiver. It is a process that
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consequences: not only many important values would be forgotten‚ and genetic diversity could be lost‚ but most importantly: we wouldn’t be unique anymore. To sum up‚ and because of all the reasons mentioned above‚ I believe that cloning has many implications to our society. I think that‚ even though we should try to evolve in science and technology‚ nowadays cloning isn’t a viable option as a lifesaving science‚ and therefore‚ it should be narrowly regulated in order to avoid any serious
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2007) (3) William Bonner‚ A (4) Lemieux‚ R. U.; Pavia‚ A. A. Solvation Effects on Conformational Equilibria. Studies Related to the Conformational Properties of 2-Methoxytetrahydropyran and Related Methyl Glycopyranosides. Canadian Journal of Chemistry 1969‚ 1966–1968. (5) M. L. Wolfrom‚ Donald R. Husted; the Beta to Alpha Conversion of Fully Acetylated Sugars by Alkali. J. Am. Chem. Soc.‚ 1937‚ 59 (2)‚ pp 364–365 (6) Perles‚ C (9) Spectral Database for Organic Compounds (SDBS); mass spectrum;
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JEET SCIENCE ACADEMY CHOWK AZAM (LAYYAH) TIME 2.5 Hr CHEMISTRY 1st YEAR CH # 1‚2‚9‚10 Marks: 85 G.Super . 1 Name…………………………………………...... Objective ROLL NO. ………………………………. Q.NO.1. Encircle the correct answer? (1×17=17) 1. Atoms of which one of the follelement have independent existance: (A) Flourine (B) Krypton (C ) Oxygen (D) Nitrogen 2.18g glucose is dissolved
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Space exploration has been increasing greatly in the last 50 years. It has allowed us to understand the greatness of the universe and the endless possibilities it offers us. Our planet‚ Earth‚ is inhabited by approximately 6 billion humans. This is well over our natural carrying capacity (the amount of resources there are to sustain our population) but with techniques such as farming‚ we have manipulated our resources to provide us with enough food‚ but alternate solutions are needed. The Cold War
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bombarded with images of stick skinny woman and this is the way almost everyone wants to look. Although there are other factors the media is the primary source of obsession with being thin. Why has this become such a popular trend? Is this what society says is acceptable? Prove has shown that ladies exposed to pictures of thin models experience more depression‚stress‚guilt‚shame‚insecurity and body dissatisfaction than those exposed to photo of average sized woman. In a world where images seem to
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Laxapana Batteries PLC Annual Report 2010 / 2011 Our Mission “Our mission is to provide best value energy generating products” To our shareholders - We will continuously improve our manufacturing capabilities and technology as part of our growth strategy and thereby improve profits and return on investment. To our customers - We will provide high quality products that will consistently meet customer expectations. To our employees - We will create a work environment where employees will be
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Candidate name…………………………………………………………………….. MINISTRY OF EDUCATION MASALA SECONDARY SCHOOL BOARD MOCK EXAMINATION 2014 SCIENCE 5124/3 PAPER 3 (CHEMISTRY) 1hour 15minutes Additional materials: Monday 30th July 2014. Answer paper INSTRUCTIONS TO CANDIDATES Write your name‚ centre number and candidate number at the top of this page all separate Attempt all questions in SECTION A and only TWO questions in SECTION B SECTION A (45 marks)
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