Clays are one of the important natural materials‚ which have been examined for catalytic applications. Clays are characterized by a layered structure and hence they are slippery when wet. They are broadly classified as cationic or smectite type (having layer lattice structure in which two-dimensional oxyanions are separated by layers of hydrated cations) and anionic or brucite type (in which the charge on the layer and the gallery ion is reversed complimentary to smectite type). Anionic clays are
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Experiment 9 Empirical Formula of Zinc Iodide Objectives Upon completion of this experiment‚ students should have learned: 1. The law of conservation of mass. 2. How to calculate an empirical formula. 3. The concept of limiting reagents. Introduction Synthesis and the determination of empirical formulas are two extremely important parts of chemistry. In this experiment‚ you will synthesize zinc iodide and determine its empirical formula. The molecular formula gives the actual
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EFFECT OF POLLUTION ON HERITAGE STRUCTURE ‘JANTAR MANTAR ‚DELHI.’ Abstract : This write up is a synopsis to the dissertation ‚‘Effect of pollution on Delhi heritage structure Jantar Mantar.’ It gives an overview of the contents that the final research paper is likely to cover the effect of different types of pollutions like air ‚light‚ sound etc. & pollutants on the materials used for construction of Jantar Mantar
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Causes Acid Rain? {2} {2} Acid rain caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into air. These substances can rise very high into the atmosphere‚ where they mix and react with water‚ oxygen‚ and other chemicals to form more acidic pollutants‚ known as acid rain.{2} Sulfur dioxide and nitrogen oxides dissolve very easily in water and can be carried very far by wind. As a result‚ the two compounds can travel long distances where
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material like iron ore coal for example Tata Steel. However‚ with smaller units coming up‚ bargaining power of suppliers might see a little improvement. Threat of substitutes will further reduce as steel is already replacing its major substitute aluminium in a number of industries. Answer2) Threat of new Entrant is traditionally low due to high existing loyalty to major brands(airbus and boeing)‚ high fixed costs in R & D‚ scarcity of resources (technical )‚ high costs of switching companies
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_____________________________CORRTECH CATHODIC PROTECTION FOR PORT FACILITIES _____________________________CORRTECH Contents • • • • • • What causes corrosion What is CP and how does it work? Galvanic vs. impressed current Electrolytes (or where can I use CP) Marine applications Condition assessments _____________________________CORRTECH What is Corrosion? Corrosion is defined as the degradation of a material due to a reaction with it’s environment. Metals require energy to process
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12/10/2012 MYP-5 The International School A metal is defined as a chemical element that is malleable and ductile‚ usually solid‚ has a characteristic luster‚ and is a good conductor of heat and electricity‚ e.g. copper or iron. Metals form oxides that are basic‚ they are good reducing agents and metals have lower electro negatives.There are many properties of metals. The chemical properties are that they can combine together with other metals to form am alloy. The mechanical properties of
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Why does milk sour when kept for a long time/ 3. What happen when hydrogen combine with oxygen in presence of electric current/ 4. Define electrolysis. 5. What is decomposition reaction? Give an example 6. Calcium oxide react with water to form calcium oxide. What type of reaction is it? 7. What happen when ferrous sulphate is heated? 8. What happen when copper metal is dipped in silver nitrate solution/Give the balance chemical equation? 9. Write chemical formula for following
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Introduction Sohar Aluminium is the leading aluminium smelter industry in the Sultanate of Oman. It was formed in September‚ 2014 and owned jointly by Abi Dhabi Energy Company PJSC - TAQA ‚Rio Tinto and Oman Oil Company. Sohar Aluminium is located in the Al Batinah Region of Oman. Ever since it was formed‚ the company holds a significant position in the manufacturing sector in Oman. The company seems to show its responsibility to the stake holders in particular and the society in general. The
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Theme: “Meeting Customer Expectations through 7M’s” Inauguration Ceremony and Keynote address by Chief Guest Mr. S Maitra‚ Chief Operating Officer‚ Maruti Suzuki India Ltd. Good Morning! Distinguished Guests‚ Delegates‚ Ladies and Gentlemen‚ It is a great honor for me to deliver a keynote speech at this very important forum of International Conference & Exhibition on Aluminum Casting Industry organized by Aluminum Casters’ Association of India (ALUCAST). I would like to first congratulate
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