positive result for the chloride test. Bromine Br2 (l or aq) A dark red liquid - orange-brown fumes‚ yellow-orange aqueous solution. The other common orange-brown gas is nitrogen dioxide (i) Shake with a liquid alkene. (ii) Mix with silver nitrate solution. (ii) Decolourised. See alkene test. (ii) Cream ppt. of silver bromide as in the test for bromide. (i) Forms a colourless organic dibromo-compound >C=C< + Br2 ==> >CBr-CBr< (ii) Ag+(aq) + Br-(aq) ==> AgBr(s) Any soluble bromide gives
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education CHEMISTRY Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 0620/01 October/November 2008 45 Minutes *6400528663* READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the
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Brochure BITSAT-2013 A Computer Based Online Test for Admission to Integrated First Degree programmes of BITS‚ Pilani‚ 2013-14 The Birla Institute of Technology and Science (BITS) Pilani is an all India Institution declared as Deemed to be University under Section 3 of the UGC Act. Admissions to all the Integrated First Degree programmes of BITS‚ Pilani‚ at Pilani campus‚ Goa campus‚ and Hyderabad Campus for the academic year 2013-14 will be made on the basis of a Computer based Online Test
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Syllabus for GPAT - 2013 PHARMACEUTICS Introduction to Physical pharmacy Matter‚ Properties of Matter: State of matter‚ change in the state of matter‚ latent heats and vapor pressure‚ sublimationcritical point‚ Eutectic mixtures‚ gases‚ aerosols-inhalers‚ relative humidity‚ liquid. Complexes‚ liquid crystals‚ glassy state‚ solids- crystalline‚ amorphous and polymorphism. Micromeretics and Powder Rheology: Particle size and distribution‚ average particle size‚ number and weight distribution‚ particle
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Blood is the best known as significant evidence in modern criminal justice. Blood evidence is important to an investigator because it can link a victim to a suspect (Locards Exchange Principle). Bloodstain patterns can reveal a great deal about the position and movement during the crime. Blood has managed to destroy self-defense arguments from the suspects. The fluid portion of the blood consists of plasma and serum while the non-fluid portion consists of red blood cells. Blood is composed of water
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MODULE 1: THE CHEMICAL EARTH 3.1.1: Elements in Earth are present mostly as compounds because of interactions at the atomic level * Identify that matter is made of particles that are continuously moving and interacting Matter: anything that has mass and occupies space. Exists in three different states: solid (s)‚ liquid (l) and gas (g) The Particle Theory: “All matter is made up of small‚ indivisible particles called atoms that are continuously moving” | Solid | Liquid | Gas | Particle
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bromide with the carbonyl compound. However‚ before any of this could be done‚ the refluxing apparatus for the Grignard reaction was to be flame dried until no moisture remained inside because any water would cause the reagent to decompose and an alkane to form. The reaction would subsequently fail. Drierite was placed inside a plastic drying tube as a drying agent‚ absorbing all the moisture from the solvents that would later be refluxing in the apparatus and coming out into the atmosphere. After
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Megan Entwistle‚ Maria Amos‚ and Paul Golubic CHEM 0330 Organic Lab 1 Sodium Borohydride Reduction: Diphenylmethanol from Benzophenone 11/16/11 Introduction Redox (shorthand for REDuction-OXidation) reactions are chemical reactions in which the oxidation state (or oxidation number) of atoms has changed. Oxidation can be observed through the loss of electrons or an increase in oxidation state by an atom‚ ion or molecule. Reduction describes the gain of electrons or decrease in oxidation state
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Steam distillation of cloves produced 0.53g of an oil which contained in its IR spectrum the functional groups O-H (at 3520 cm-1)‚ sp2 C-H (3080 – 3000 cm-1)‚ aliphatic C-H (2980 – 2940 cm-1)‚ and both alkene C=C (at 1640 cm-1) and aromatic C=C (at 1514 cm-1). The IR spectrum is attached to this report. These data are consistent with the structure of eugenol‚ shown in Figure 2 below: In addition‚ the IR of the product from the steam distillation of cloves closely corresponds with that of an
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MTN Learn Physical Sciences Grade 12 radio support notes MINDSET LEARN XTRA GRADE 12 PHYSICAL SCIENCES RADIO BROADCAST NOTES CONTENTS Introduction ................................................................................................................ 3 Broadcast Schedules ................................................................................................ 5 Preparing for Examinations ..................................................................................
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