Introduction In quantitative chemical analysis‚ acid - base reactions are often used to provide a basis for various titration techniques. The equivalence points of acid - base titrations can be estimated from the colour change of chemical indicators‚ such as phenolphthalein‚ methyl red‚ methyl orange and so on. The choice of an indicator suitable for a particular titration requires a detailed knowledge of the chemical properties of the acid and base. This difficulty can be avoided by using physical
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BENZOIC ACID & BENZOATES (210 –218) • Retards growth of bacteria and yeasts • Occurs naturally in many foods – a similar distribution to salicylate (but at a lower dose than as an additive) • Common food sources: Soft drink‚ cordial‚ fruit juice and cider Liquid essences and syrups Iceblocks‚ jelly‚ low joule jam‚ dips‚ pickles‚ olives Fish marinades and preserves • PABA (para-amino-benzoic-acid)
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------------------------------------------------- Hydrochloric acid From Wikipedia‚ the free encyclopedia (Redirected from Muriatic acid) Not to be confused with hydrogen chloride. Hydrochloric acid | | | | Other names[hide] * Muriatic acid[1] * Spirits of salt[2] | Identifiers | CAS number | 7647-01-0 | ChemSpider | 10633809 | UNII | QTT17582CB | EC number | 231-595-7 | ChEMBL | CHEMBL1231821 | ATC code | A09AB03‚B05XA13 | Properties | Appearance | Colourless
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Commercial Antacid Tablets Hydrochloric acid (HCl) is one of the substances found in gastric juices secreted by the lining of the stomach. HCl is needed by the enzyme pepsin to catalyze the digestion of proteins in the food we eat. Heartburn is a symptom that results when the stomach produces too much acid (hyperacidity). Antacids are bases used to neutralize the acid that causes heartburn. Despite the many commercial brand‚ almost all antacids act on excess stomach acid by neutralizing it with
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(Microsoft tablet pc) ------------------------------------------------- History In 2002‚ original equipment manufacturers released the first tablet PCs designed to the Microsoft Tablet PC specification. This generation of Microsoft Tablet PCs were designed to run Windows XP Tablet PC Edition‚ the Tablet PC version of Windows XP.[3] This version of Microsoft Windows superseded Microsoft’s earlier pen computing operating environment‚ Windows for Pen Computing 2.0. After releasing Windows XP Tablet PC Edition
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FOM Group Work Educational Tablet Research Psychographic Segmentation Lifestyles: Activities and interests Activities: many students from all over the world as well as educational bodies descend upon the International Consumer Electronics Show(CES) every year to find out what the brand new technology is about to hit the streets. They do this as it enhances the possibilities for what can be made possible for the classroom. There are things such as the Oculus Rift which is a virtual reality headset
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Tablet PCS and the Decline of the Laptop Abstract On September 8‚ 2011‚ Gartner‚ Inc. lowered its forecast for personal computers for the remainder of 2011 and 2012. Based on the recent surge of tablet PCs‚ personal laptops are experiencing a decline as consumers hold onto their laptops longer or replace them completely with tablets. Increased mobility and a need for social media may be two of the forces driving consumers to choose tablets over laptops. This journal seeks to explain the
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Acid Base And Salt Acid Acids:- The word ‘Acid’ came from Latin word ‘Acidus or Acere’ which means sour. Sour taste is the most common characteristic of acid. Acid turns blue litmus paper red. There are many substances which contain acid and hence taste sour‚ such as curd‚ tamarind‚ lemon‚ etc. Types of Acids:- Acids are divided into two types on the basis of their occurrence – Natural acids and Mineral acids. Natural Acid:- Acids which are obtained from natural sources are called natural
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Good afternoon everyone‚ im here today to persuade you that tablets are better than textbooks especially in our generation today. But first I must define shortly what is a tablet. A tablet is ... So how tablets surpass the importance and usefulness of textbooks? 1. Tablets help students learn more material faster. Technology-based instruction can reduce the time students take to reach a learning objective by 30-80%. 2. Tablets can hold hundreds of textbooks on one device‚ plus homework‚ quizzes
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Ridder Student number: R0141223 Module: Marketing Fundamentals The tablet market: External analysis of the micro-environment The global tablet PC market continues to grow with shipments reaching 53.8 million units in the third quarter of 2014. The rise in shipment from 48.3 million units in the third quarter of 2013 to 53.8 million units in the third quarter of 2014 can be attributed to the growing demand from costumers as the tablet industry offers the costumer a smaller sized device with a better
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