"Nitration of naphthalene" Essays and Research Papers

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    Enzymes

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    in solution with a deep voilet colour.Biuret H2NCONHCONH2 reacts with copper(11)ions in a basic solution to form a deep voilet complex. Xanthoproteic Test • The amino acids that contain benzene ring like tyrosine and tryptophan undergo nitration in this test and gives yellow colour. Millon’s Test • It is specific for tyrosine‚ the only amino acid that contain a phenol group on which a hydroxyl group is attached. It gives red precipitate. Hopkins_cole Test • It is specific

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    pyridine

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    Reactions of pyridine Introduction: 1. Pyridine structure: 2. Iupac name: Pyridine‚ other name: Azine & Azabenzene. *Important commercial alkyl pyridinium compound is α - methyl- pyridine (2)‚ βpicoline (3)‚ γ- picoline ( 4 ) ‚ 2‚6 - lutidine ( 5 ) ‚ 3‚5 - dimethyl- pyridine ( 6 ) ethyl-2 - methyl- pyridine ( 7 ) and 2‚4‚6 - collidine ( 8 ) . In general‚ the alkyl -substituted pyridine as many other precursors used in pyridine E-commerce. From these further alkyl substituted pyridine

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    Crystalization

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    synthesis of purine‚ pyrimidine and other amino acids. In part C‚ Fluorene was dissolved in three solvents. Fluorene(C13H10) is a polycyclic aromatic hydrocarbon. It forms white crystals that exhibit a characteristic‚ aromatic odor similar to that of naphthalene. It is combustible. It has a violet fluorescence‚ hence its name. For commercial purposes it is obtained from coal tar. Results: In part A‚ .30g of impure Sulfanilamide was placed in a beaker‚ and heated 95% ethyl alcohol was added to just cover

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    alteration in the natural soil environment. It is typically caused by industrial activity‚ agricultural chemicals‚ or improper disposal of waste. The most common chemicals involved are petroleum hydrocarbons‚ polynuclear aromatic hydrocarbons (such as naphthalene and benzo(a)pyrene)‚ solvents‚ pesticides‚ lead‚ and other heavy metals. Contamination is correlated with the degree of industrialization and intensity of chemical usage. There are many different ways of permanently changing the land‚ from soil

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    organic chemistry lab manual

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    NORTHERN CARIBBEAN UNIVERSITY DEPARTMENT OF BIOLOGY‚ CHEMISTRY and ENVIRONMENTAL SCIENCE LABORATORY MANUAL Instructor: Dr. M. Wilson CHEM401: BIOCHEMISTRY for NURSES Prepared by: Oreane Collins CHEMISTRY LABORATORY REGULATIONS AND SAFETY PRECAUTIONS Reference: http://www.sciencebyjones.com/safety_rules.htm Thanks to the Flinn Scientific Safety Rules for much of the below.  General Guidelines  1. Conduct yourself in a responsible manner at all times

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    Class XII Chemistry

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    Name : ___________ General Instructions: 1. Revise UNITS 1 to 5 2. Solve numerical problems concerning UNITS 1‚2 ‚3 and 4 from previous (2010-2013 ) Sample /CBSE question papers . 3. Prepare a project report on any of the following suggested Investigatory projects. TOPICS FOR PROJECT WORK 1. Study of quantity of casein present in different samples of milk. 2. Extraction of essential oils present in Saunf (aniseed)

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    SEGi University Extraction of Benzoic Acid by Balvinder Singh (SCM 015 677) Lab Partners: 1) Surrean Rao 2) Wong Kai Jun 3) Kanaga Luckshimi 4) Sasiskala Regal ECE2332 Chemical Engineering Practices Submitted: 1st October 2013 Supervisor: Mr Ayman William 1.0 Abstract /summary The purpose of this experiment to carry out in the lab is because to determined the capability to water droplet to carry out the liquid-liquid extraction. The studies is to determine

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    Thermochemistry

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    Module No. 6 Energy Relationships in Chemical Reactions The Nature of Energy and Types of Energy Energy – is the capacity to do work or to transfer heats. Forms of Energy 1. Kinetic energy 2. Radiant energy 3. Thermal energy 4. Chemical energy 5. Potential energy Energy Changes in Chemical Reactions Heat – is the transfer of thermal energy between two bodies that are at different temperature. Thermochemistry – is the study of heat

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    Industrial Effluents

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    The Compact Oxford English Dictionary defines effluent as “liquid waste or sewage discharged into a river or the sea”. Sources of Industrial Effluents Iron and steel industry : Contamination of waste stream includes chemicals like benzene‚ naphthalene‚ anthracene‚ phenols‚ cresols‚ ammonia‚ cyanide‚ etc together known as polycyclic aromatic hydrocarbons(PAH). Acids‚ hydraulic oils‚ etc are also included in the wastewater. Mines and Quarries : Slurries of rock particles‚ hydraulic oils‚ fine

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    Dangers of Smoking

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    differently thinking about smoking. Do you know the content of a cigarette? Over 4‚000 chemicals can be found in tobacco smoke includedradioactive materials (polonium-201) ‚materials used in paints (acetone)‚floor cleaner (ammonia)‚ mothball (naphthalene)‚ pesticides ‚ termite poison (arsenic)‚ toxic gases (hydrogen cyanide) used in the "gas chamber death" of offenders under sentence of death‚ and more. Today i want to inform to my audients about disadvantages of smoking. There is having 4 disadvantages

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