Flame test: - Clean wire loop - Dip the tip of the wire loop into solution (If solid‚ dip the tip in DIW then dip the soaked wire loop in to the solid) - Proceed to placing the tip into fire (from Bunsen burner) - Observe - Na+ = bright orange -Cu2+ = green - K+ = Violet (Can be masked by Na+) - Ca+ = Brick Red - H4N+ = no color Cobaltnitrite test for K+: -Heat NH4+ off -In a small test tube/vial‚ or spot plate and place 10-15 drops of solution to test -Then add a drop of 6M HAc and
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Questionnaire Name : Age : 18-30 ο 30-40 ο Above 40 ο Profession : Income : 3000-5000 ο 5000-7500 ο 7500-10000 ο 10000-15000 ο Above 15000 ο 1. Have you heard about the brand Grasim/Grasim Suiting? Yes ο No ο 2. Have you ever seen the Advertisement of Grasim ? Yes ο No ο 3. Where did you saw the Advertisement On T.V. ο In Magazine ο Hoarding ο Others ο 4. Does it provides the sufficient information about the product you needed ? Yes ο No ο Partially ο 5. Can you recall the content
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INTRODUCTION: Blowfish‚ a symmetric block cipher developed by Bruce Schneier[SCHN93‚ SCHN94)‚ is a Feistel network‚ iterating simple encryption and decryption functions of 16 times each. The block size is 64 bits‚ and the key can be any length up to 448 bits. Although there is a complex initialization phase required before any encryption can take place‚ the actual encryption of data is very efficient on large microprocessors. Blowfish was designed to have the following characteristics: Fast:
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The Separation of Mixtures This lab demonstrates the difficult task of separating mixtures using different types of methods. This study is performed because it helps you understand the concept of separation and certain characteristics of elements. Previous knowledge in which already exists in this lab would be the process of filtration‚ distillation‚ magnetism‚ and evaporation. The specific hypotheses of this experiment was that the iron would separate through magnetism‚ the salt would separate
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Separation of a Mixture of Solids I really enjoyed this lab. After reading the introduction I started by making my own flow sheet of how I thought this lab would work. I was reminded about solubility which is defined as the amount of the solute that will dissolve in a given amount of solvent and that the extent to which a substance dissolves depends mainly upon the physical properties of the solvent and of the solute and to some extent upon the solvent’s temperature. With that being said I came
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Discuss a range of analytical techniques used for the purification of proteins What are proteins? Proteins are the main building blocks of life. They are essential for the body and have many different roles . Proteins are made from sequence of amino acids. Protein structure is determined by their sequence of amino acids‚ which are linked by peptide link. Proteins are made from about 50 to 2000 amino acid residues. Figure 1 Why purify proteins? They are many reasons why a biochemist
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Color Scheme and Work Productivity 1 Running Head: Color Scheme and Work Productivity Color Scheme and Work Productivity How Does the Color Scheme of a Building Affect Work Productivity Introductory Psychology Research Paper Using APA Style Jessica N. Russell Milwaukee Area Technical College July 2008 Color Scheme and Work Productivity 2 Creating a productive work environment is a shift in both the blue collar and white collar work worlds that has
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pleasant‚ fruit-like odors and are the chemicals responsible for the odors and flavors of many fruits (oranges‚ bananas‚ pineapples) and flowers. In most cases‚ such natural products get their properties from a mixture of organic compounds. In this experiment you will prepare two esters of o-hydroxybenzoic acid‚ more commonly known as salicylic acid. One of the esters‚ acetylsalicylic acid‚ is aspirin‚ the common analgesic. We will synthesize aspirin by mixing salicylic acid with acetic anhydride. The
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SYLLABUS Cambridge IGCSE® Literature (English) 0486 For examination in June and November 2014 Cambridge International Certificate Literature (English)* 0476 For examination in June and November 2014 *This syllabus is accredited for use in England‚ Wales and Northern Ireland as a Cambridge International Level 1/Level 2 Certificate. University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material
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PROCEDURE Part I Setting Up Experiment 2D: Separation of a mixture by Paper Chromatography Objectives: 1. To assemble and operate a paper chromatography apparatus 2. To study and the significance of Rf values 3. To test various food colorings and to calculate their Rf values 4. To compare measured Rf values with standard Rf values 5. To separate mixtures of food coloring into their components 6. To identify the components of mixtures by means of their Rf values Materials / Apparatus: See “Health
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