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    Draft Guidelines for Co-processing of Distillery spent wash concentrate in Cement Industry Central Pollution Control Board (Ministry of Environment & Forests‚ Govt. of India) Parivesh Bhawan East Arjun Nagar‚ Delhi 1. Background Co-processing of wastes in cement kiln is emerging as one of the environment friendly alternative disposal method in the recent years. Distillery spent wash has high organic content and dissolved inorganic solids which require careful handling and proper disposal

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    battery technology

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    Technology Essay Ali Battery Only once in a lifetime will a new invention come about to touch every aspect of our lives. An important technology integrated into our society and around theworld is the invention of the Battery. Among many inventions of our modernworld‚ the battery stands out as an amazing on going development with its effect on almost every portable electric powered device. An electrical battery is acombination of one or more electrochemical cells‚ used to convert storedchemical

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    dfdf

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    c. Solid aluminum metal reacts with aqueous zinc chloride to produce solid zinc metal and aluminum chloride. (Check the Solubility Rules to determine the phase of matter of aluminum chloride.) 2 Al (s) + 3 ZnCl2 (aq) → 2 Zn (s) + 2 AlCl3 (aq) 4. Translate the following chemical equations into sentences. a. CS2 (l) + 3O2 (g) → CO2 (g) + 2SO2 (g) Liquid carbon disulfide reacts with elemental oxygen to yield carbon dioxide gas and sulfur dioxide

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    Paper of Chemistry

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    bases are electron acceptors 3.Ferichydroxide is insoluble precipitate and has ………………….. a) blue color b) white color c) brown color d) dirty green color 4.The reduction of alkylhallides takes place in the presence of a) Zn/HCl b) Na/HCl c) Mg/HCl d) Cu/HCl 5.Deficiency of vitamin E causes a) rickets b) scurvy c) anemia d) night blindness 6.Which one of the following is reducing sugar? a) glucose b) maltose c) sucrose d) starch 7.Buildings are being damaged

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    extraction of metals

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    Electrolysis is a very expensive process because of the cost of electrical energy. Carbon Zinc Iron Lead Zn Fe Pb Reduction of the metal oxides in a blast furnace. Carbon is used as the reducing agent. It is often in the form of coke (made from coal). Although this uses a lot of energy‚ this is cheaper than using electricity. Hydrogen Copper Silver Gold Cu Ag Au These metals occur “native” (as uncombined elements) in the Earth’s crust. Copper also exists as compounds

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    pcb manufacturing

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    very thin and the common thickness is 0.1mm. * Multi layer Board (MLB‚ 4L‚6L‚8L‚12L‚16L ) : :The ckt density is high compare to D/S for inner layer made of special laminate is used for bonding purpose ( Prepreg). The inner layer is etched “CU” and outer layer is Non- etched ckt. After lamination or pressing the boards are drilled and plated like PTH D/S. Process Flow chart for Single Side P.C.B. Sheet Cutting Film master preparation Screen Preparation Drying Screen Printing

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    if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. Substance Name Mg Cu Zn MgO CuCO3 Cu(NO3)2 NaCl Color silver copper Odor metal no odor metal odor no odor no odor Solubility or Reaction Effect of Heat blackened Cold H2O Hot H2O Litmus Test Dilute HCl Dilute NaOH no apparent reaction no change no change

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    Bioleaching of Gold Ore

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    RESEARCH ART I C L E Insights intothe dynamics of bacterial communities during chalcopyrite bioleaching Zhiguo He1‚2‚ Fengling Gao1‚2‚ Jiancun Zhao1‚2‚ Yuehua Hu1‚2 & Guanzhou Qiu1‚2 1School of Minerals Processing and Bioengineering‚ Central South University‚ Changsha‚ Hunan‚ China; and 2Key Laboratory of Biometallurgy‚ Ministry of Education‚ Changsha‚ Hunan‚ China Correspondence: Zhiguo He‚ School of Minerals Processing and Bioengineering‚ Central South University‚ Changsha‚ Hunan 410083

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    question paper

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    1. (a)Correct the following statements. (i) The melting points of crystalline and amorphous solids are not definite. The melting point of an amorphous solid is not definite. OR The melting point of a crystalline solid is definite. P  Ps  X solute . Ps P  Ps The equation for relative lowering of vapour pressure when solute remains normal is  X solute P (iii)The degree of ionization decreases with dilution. The degree of ionisation increases with dilution. (iv) Tertiary butyl halide

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    Coordination Compounds

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    PAC-II COMPLEXOMETRIC TITRATION Course Contents: C OMPLEXOMETRIC TITRATION T ITRATION Complexation‚ Chelation. Werner’s co-ordination number‚ Titrants Stability of complexes‚ titration curves. Types of complexometric titrations. Methods of detecting end point‚ Standardization.  Application of complexometric titrations.      COMPLEXOMETRIC TITRATIONS COMPLEXOMETRIC TITRATIONS What is Complexometric Titration (CT)???? What What is a complex metal ion? A complex

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