"Ink out of tea bags investigatory project" Essays and Research Papers

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    Chemistry Investigatory

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    Chemistry Project on STUDY OF ADULTERANTS IN FOOD CHEMISTRY PROJECT WORK INVESTIGATORY PROJECT STUDY OF ADULTERANTS IN FOOD-STUFFS Name: Taher Shabbir Hussain Class: XII-B School: Indian Public School Year: 2009-2010 iC BS E.c om Chemistry Project on STUDY OF ADULTERANTS IN FOOD iC BS 2|P a ge E.c om Chemistry Project on STUDY OF ADULTERANTS IN FOOD Certified to be the bonafide work done by Mr. / Miss in the _ TAHER SHABBIR HUSSAIN of class XII

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    Plastic Bags

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    A plastic shopping bag‚ the most known used product discovered by man. Data released by the United States Environmental Protection Agency shows that somewhere between 500 billion and 1 trillion plastic bags are consumed worldwide each year (National Geographic News‚ 2006). As the number of usage increases‚ the rate of plastic pollution grows eventually to be an immeasurable environmental obstacle that is difficult to control. This essay will unfold the case of plastic bags to identify the outcomes

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    School Bag

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    Autobiography of a Violet School Bag I was born in a jungle as cotton‚ white‚ formless‚ spread widely across many plants‚ with no specific purpose‚ but a world full of possibilities. Then I went through a grind (cut & stitched) in the factory‚ picked up specific form (a bag)‚ a specific color (violet)‚ and some designs too…something like a tattoo…a bright and colorful rainbow on me. People said I looked beautiful; I am now a School Bag and my purpose is to carry books and stationeries for

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    Carrier Bags

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    pence on all single-use carrier bags. However‚ most young people were not aware of the charge‚ which is the number of students taking up in these age groups‚ who may only just studying in school and go shopping infrequently. On the contrary‚ a large number of old people were aware of the charge due to often buying groceries and everyday items from shops. 2. This bar chart compares the proportion of respondents of both genders views on taking their own shopping bags. When it comes to inconvenience

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    autobiography of a bag

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    I am a blue bag‚ made in a small factory in Paris that produces exclusive bags under the Silver Star brand. After passing the Manufacturer Test‚ I was brought into Malaysia by sea. Along with a few hundred of my friends in various shapes and sizes‚ we were carefully wrapped in tissue and plastic before being packed into boxes. Unfortunately‚ I was plagued by sea-sickness the minute I was escorted on board. Nausea and queasiness were my constant companions as the sea vessel rocked and rolled

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    Investigatory Natsci

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    Kindom plantae * Rose A rose is a woody perennial of the genus Rosa‚ within the family Rosaceae. There are over 100 species. They form a group of plants that can be erect shrubs‚ climbing or trailing with stems that are often armed with sharp prickles. Flowers vary in size and shape and are usually large and showy‚ in colours ranging from white through yellows and reds. Most species are native to Asia‚ with smaller numbers native to Europe‚ North America‚ and northwest Africa. Species‚ cultivars

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    Ink Paper Chromatography

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    Ink Chromatography Lab Background Information Paper chromatography is an analytical method that is used for separating and identifying mixtures of substances into their smaller parts. Paper chromatography works because the ink used contains several dyes (pigments) that when place on porous paper are dissolved in a solvent by capillary action. When the pigments (solutes) are dissolved in the solvent (water & alcohol mixture) they move through the paper at different rates depending on their

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    Trash Bag

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    feel. “I am getting older or gosh my hair was really bad back then” I would think. Nothing grabbed at me to want to remember that day. After months of letting the clutter pile up on my bookshelf I finally decided it was time to clean it out. Trash bag after trash bag full of worthless paper that was know use to me and time spent sorting through what was worth to keep and what wasn’t‚ I

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    Thermochromism Thermochromism refers to the phenomenon of color changes by the agency of heat. Obviously‚ the color changes are made possible by the temperature-induced chemical or physical changes of materials incorporated into the inks. Sometimes‚ the color change occurring at a temperature is permanent‚ and at other times the original color can be regained on cooling. Accordingly‚ we have an irreversible or reversible thermochromic system. The required chemistry can be adopted based

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    Types of Teas

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    Tea is soothing‚ a quality to be craved in these stressful days. It is more subtle than coffee and meant to be sipped‚ not gulped. A cup of tea has less caffeine than a cup of coffee — half the amount or less. From a single evergreen plant‚ camillia sinensis‚ come the thousands of nonherbal teas consumed around the world. The variety depends on where the tea is grown and how it is gathered and processed. Some variables that determine the type of tea are whether the tea is made from long leaves or

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