Study material CHEMISTRY CLASS: XII KENDRIYA VIDYALAYA SANGATHAN LUCKNOW R E G I O N 2009-2010 Study Material Class XII -Chemistry SHRI RANGLAL JAMUDA IAS‚COMMISSIONER CHIEF Patron KENDRIYA VIDYALAYA SANGTHAN NEW DEHLI SHRI M.S Chauhan Asst. Commissioner Patron Kendriya Vidyalaya Sangthan Lucknow Region SHRI S.S. Rawat Guidance Smt. A.N Siddiqui (Education officer) (Education officer) SHrI K.‚M. Bhatnagar (Education officer) Co-ordinator SHRI. T. Singh Principal K.V. No. 2
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LAB. MANUAL 16 MANUAL OF METHODS AF T OF ANALYSIS OF FOODS D R ALCOHOLIC BEVERAGES FOOD SAFETY AND STANDARDS AUTHORITY OF INDIA MINISTRY OF HEALTH AND FAMILY WELFARE GOVERNMENT OF INDIA NEW DELHI 2012 ALCOHOLIC BEVERAGES MANUAL FOR ANALYSIS OF ALCOHOLIC BEVERAGES TABLE OF CONTENTS PAGE NO. 1 2 5 6 8 9 10 15 17 19 22 27 30 AF T METHOD Types of Alcoholic Beverages Determination of Ethyl alcohol content Determination of Residue on evaporation
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Forgery is a normal aspect of the art world. This topic is about the skill involved in producing ’true’ forgeries within the world of art. It is stressed that the forger is to be seen as an artist‚ in that he or she must sometimes enter the mind of the original artist‚ master his or her techniques‚ and otherwise execute works that can withstand the expert eye. There are many ways that people will do in order to make a fast buck without thinking about the techniques that are done to detect forgery
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Upton ’s Sinclair ’s The Jungle was a novel based on one employee who worked for a Chicago ’s meat-packing factory. This detailed novel described horrendous conditions and gruesome visions of contaminated meat. This brought forth significant changes within the meat-packing industry. America ’s business of canned meat was declining within the country as well as the world. Lack of trust and controversy surrounding the meat-industry caused President Roosevelt and Congress to take initiative of the situation
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NORTHERN CARIBBEAN UNIVERSITY DEPARTMENT OF BIOLOGY‚ CHEMISTRY and ENVIRONMENTAL SCIENCE LABORATORY MANUAL Instructor: Dr. M. Wilson CHEM401: BIOCHEMISTRY for NURSES Prepared by: Oreane Collins CHEMISTRY LABORATORY REGULATIONS AND SAFETY PRECAUTIONS Reference: http://www.sciencebyjones.com/safety_rules.htm Thanks to the Flinn Scientific Safety Rules for much of the below. General Guidelines 1. Conduct yourself in a responsible manner at all times
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develop cancer. The Du Pont policy E. I. Du Pont de Nemours & Co.‚ the world’s largest chemical manufacturer‚ has long been concerned with chemical toxicity and exposure. Du Pont uses only a small number of hazardous substances – such as lead‚ aniline‚ and orthotoluidine – that require special control. Over the years‚ the company has promulgated several policies dealing with reproductive hazards‚ particularly one that addressed the problem of fetal damage from chemical exposure. If Du Pont discovers
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Methods/Materials: 7.1 Experiment: Rate of Diffusion of Solutes In the initial set up of this experiment I had 2 sets of 3 screw-cap test tubes that had each been half-filled with 5% gelatin and 1-mL of the correct dye (either potassium dichromate‚ aniline blue‚ or Janus green) in each of the test tubes. I labeled the 3 test tubes of set 1 with which die they contained and marked them “5 ˚C”. Then with the other set I did the same exact thing‚ except I labeled these test tubes “Room Temperature”. I
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and nucleotide? 9. Explain the following- (a) Gattermann Koch reaction (b) HVZ reaction 10. How will you distinguish between the following. (a) Pentan-2-one and pentan-3-one (b) Aniline and N-Methylaniline 11. What is crystal field splitting energy?How does the magnitude of splitting decide the actual configuration of d- orbitals in an octahedral field for a coordination entity. 12
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PRODUCT USE Manufacture of dyes‚ intermediate for antioxidants‚ gum inhibitors‚ corrosion inhibitors. Intermediate SYNONYMS C6-H6-N2-O2‚ "Red 2G Base"‚ p-aminonitrobenzene‚ p-aminonitrobenzene‚ 1-amino-4-nitrobenzene‚ 1-amino-4nitrobenzene‚ "aniline‚ 4-nitro-"‚ "aniline‚ 4-nitro-"‚ "C.I. 37035"‚ "C.I. Azoic Diazo Component 37"‚ "C.I. Developer 17"‚ PNA‚ Developer‚ P‚ "Diazo Fast Red GG"‚ "Fast Red Base GG"‚ p-nitraniline‚ p-nitraniline‚ 4-nitraniline‚ 4-nitraniline‚ 4-nitroaniline‚ 4-nitroaniline‚ 4-nitrobenzenamine
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Vanadium‚ pronounced veh-NAY-di-em‚ atomic symbol V‚ and atomic number associated with this transition metal is 23. The atomic weight of Vanadium is 50.942 grams per one mole. The electron configuration is 1S2 2S2 2P6 3S2 3P6 4S2 3D3 and the noble gas notation is [Ar] 4S2 3D3. Vanadium is located in group 5B‚ in the transition metals‚ on the periodic table of the elements. Also‚ included in this group are niobium [atomic number 41 with an atomic weight of 92.9064 grams per mole]‚ tantalum [atomic
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