CHEMISTRY PROJECT Analysis of Vitamin C in different types of fruits juices of the same brand Name: Choong Siao Ting Low Jia Ling Wong Jing Ting Class: 6 Atas Intan Teacher:Pn. Subadhra A/P Andikot Raman DEDICATION We wish to express my sincere appreciation to my Chemistry teacher‚ Puan Subadhra A/P Andikot Raman for her keen and endless guidance‚ encouragement‚ critics and inspiration till the success and completion of this work
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Chapter 1 * What is Chemistry? -it is the study of the composition of substances and the changes they undergo. * What are the 5 branches of chemistry? * Organic chemistry‚ inorganic chemistry‚ analytical chemistry‚ physical chemistry‚ biochemistry. * What is the difference between a theory and law? -a theory is a thoroughly tested explanation of why experiments give certain results. A scientific law is a concise statement that summarized the results of a broad spectrum of observations
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Figure 1.2 x ray view Security devices There are few commonly used security machines which contain x rays in them which help important departments to identify metal. Cabinet x-ray systems are one of the more common dev ices used for security. They are found primarily at airports (the devices that carry-on bags are sent through for
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Alchemy in relation to Chemistry Practical applications of alchemy produced a wide range of contributions to medicine and the physical sciences. The alchemist Robert Boyle is credited as being the father of chemistry. Paracelsian iatrochemistry emphasized the medicinal application of alchemy ‚continued in plant alchemy‚ orspagyric. Studies of alchemy also influenced Isaac Newton’s theory of gravity.Alchemists made contributions to the "chemical" industries of the day—ore testing and refining‚ metalworking
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Rivera MSL 0685 CRN 30094 Leading Learning Communities Nova Southeastern University February 24‚ 2013 Concorde Career Institute Orlando has been an educational institution for over 25 years. This organization provides fast-track‚ health-related programs in various fields. As with any educational institution‚ proprietary or not‚ there are many employees-all part of many different departments. Concorde Orlando has developed of a learning community to some extent‚ but the findings presented
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examples. The presence of such ion will eventually increase the blue intensity of the electrolyte if the concentration of such metal is higher than other metal. Throughout the mechanism of voltaic cell‚ redox reaction is occurred. The redox reaction gives rise to 2 different half equations. The metal that is placed higher in the electrochemical series is the reducing agent‚ hence causing electron to loss. This electrode acts as an anode. Conversely‚ metal that is placed lower in the electrochemical
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guess paper 1. Express the rate of following reaction in terms of disappearance of hydrogen in the reaction. 3H2(g) + N2(g) 2NH3(g) 2. What is peptisation? 3. Write Reimer Tiemann reaction. 4. Why is CO stronger ligand that Cl-. 5. Write structure of 2-(2-Bromophenyl)butane. 6. Complete the reaction C6H6+R COCl 7. Why pentahalides more covalent than trihalides? 8. What is difference between nucleoside and nucleotide? 9. Explain the following- (a) Gattermann Koch
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Arturo Contreras T. Conner-Moore Chemistry I Honors 22 August‚ 2016 Why is a Soccer ball consider Chemistry? What is chemistry? The word “chemistry” dates back to 1590-1600‚ but it is debatable that either the Egyptians or Greeks were the first to introduce chemistry to the world. What society does know‚ it is that Antoine Lavoisier is known as the “Father of Chemistry.” Lavoisier was the first to document how he compiled and completed the first list of elements. He discovered and named the elements:
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1 HIGHER SECONDARY MODEL EXAMINATION HSE II Max.marks: 60 CHEMISTRY Time: 2.45 hrs General instructions All questions are compulsory Cool-off time is 15 minutes 1] Defects modify the properties of crystals [4 marks] A] Give differences between Schottky and Frenkel defects [2.0] B] On heating zinc oxide becomes yellow in colour. Why? [1.0 ] C] Alkali metal halides on heating in presence of alkali metal produce characteristic colours.Give reason [1.0] 2] Colligative
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Edexel IGCSE Chemistry Revision Notes IGCSE Chemistry Triple Award Revision Guide Topic Introduction to chemistry Atomic Structure Structure and Bonding – Ionic Bonding Structure and Bonding – Covalent and Metallic Bonding Organic Chemistry - Alkanes Organic Chemistry – Alkenes / Addition Polymerisation Organic Chemistry – Alcohols / Condensation Polymerisation Calculations Periodic Table Reactivity Series and Metal Extraction Electrolysis Energetics Acids‚ Bases‚ Salts and Neutralisation Preparing
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