Properties of pH The manufacture’s claim is that Sensodyne toothpaste micro hardens tooth enamel to help protect against the effects of acid wear‚ helps stop the twinges of pain from sensitive teeth formulated with low abrasivity‚ neutral pH and gentle yet effective cleaning system. To find out if the manufactures claim on Sensodyne toothpaste is the correct level of pH. I expect the Sensodyne toothpaste to be a neutral pH level as the manufactures claim that this products pH level is neutral
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Liquid Action of water Dissolve in water and form alkaline solution Slightly dissolve in water and form alkaline solution Insoluble in water Insoluble in water Dissolve in water and form acidic solution Dissolve in water and form acidic solution pH of aqueous solution 14 9 7 7 1 3 Acid-base nature Basic Basic Amphoteric Acidic Acidic Acidic Conductivity of liquid Conductor Conductor Conductor Insulator Insulator Insulator Solubility in hexane Insoluble Insoluble
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NITRATION OF METHYL BENZOATE Purpose: The main objective of this experiment was to synthesize methyl nitrobenzoate from methyl benzoate‚ using the mixture of nitric and sulfuric acid by performing the process of electrophillic aromatic substitution. During this reaction‚ the combination of HNO3 and H2SO4 made a nitrating solution. The crystallization was done to accomplish pure product. The melting point and Thin Layer Chromatography (TLC) were performed to test the purity of the product. Using
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Fast Food Essay Julia Mendoza English 114 Section 13 Karen Coopman December 12‚ 2012 Julia Mendoza Eng. 114.13 12-12-12 Fast Food Essay Obesity is becoming an increasingly large problem‚ most especially in the United States where‚ according to the Center for Disease Control and Prevention‚ more than one-third of adults are obese. The large fast food industry of the America creates food that has contributed to this obesity problem‚ and many believe that the industry is the main
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4/4/2013 Food Preservation Methods Food Preservation Using Chemicals SMY04032012 A naturally / synthetically produced substances that is added to food/beverages to prevent spoilage Preservatives: The good‚ bad and ugly! 1 4/4/2013 Sometimes‚ food may spoil because of the changes in the food itself. When food spoils‚ the following may change: • appearance • taste • texture • odour © Food – a fact of life 2007 Food may become unsafe to eat. Micro-organisms need certain
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How does sodium chloride effect the growth of Phaseolus vulgaris? [Type the document subtitle] TABLE OF CONTENTS page number 1 DESIGN 1 1.1 Defining the problem 2 * Focus / research question * Hypothesis * Background information / theory * Investigation Variables 1.2 Controlling Variables 3 * Treatment of Controlled Variables * Control Experiment 1.3 Experimental Method 4 * Materials
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Adulteration In Food Stuff And Its Harmful Effects | FOOD ARTICLE | ADULTERANT | HARMFUL EFFECTS | Bengal Gram dhal & Thoor Dhal | Kesai dhal | lahyrism cancer | Tea | Used tea leaves processed and coloured | Liver Disorder | Coffee Powder | Tamarind seed‚ date seed powder | Diarrhoea | | Chicory powder | Stomach disorder‚ Giddiness and joint pain | Milk | Unhygenic water & Starch | Stomach disorder | Khoa | Starch & Less Fat content | Less - nutritive value | Wheat
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The Effects of Fast Food on Health There are so many restaurants around the world today that could severely harm your health. Fast food has so many bad side effects such as: obesity‚ high cholesterol levels‚ and food poisoning. You could say that there are way more bad side effects than good side effects from obtaining fast food. Obesity has been ranked the number one health threat to Americans and causes up to 400‚000 deaths a year. In fast foods‚ the levels of Trans fat and calories are very
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believe that if the amount of sodium citrate is too low or too high‚ the sodium alginate solution would not form into a ball. The recommended amount of sodium citrate to be added to the sodium alginate solution was ⅛ teaspoon‚ or 0.5 grams. We supposed that if we exceeded this measurement‚ the sodium citrate would unbalance the whole solution‚ making the balls deform. If we added too little of the sodium citrate‚ we thought that there would be too little for the sodium citrate to fully do its job of
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Cause and Effect: Fast Food This is a cause-and-effect essay about fast food – how it become so popular and what its effects have been. It uses 4 paragraphs and a 3-7-7-3 layout (three sentences in the introduction‚ seven in the causes paragraph‚ seven in the effects paragraph‚ and three in the conclusion). Show or Hide Explanations In the past people in the United Arab Emirates used to eat healthy‚ freshly prepared food with their families in the home.Today however‚ many people‚ particularly
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