oxides‚ hydrogen ionides‚ and ammonia. “There are forty-three known carcinogens in main stream smoke” (cigarette ingredients). You can find some of these chemicals in your bathroom cleaner as in ammonia. Other chemicals in cigarettes contain tar‚ acetone‚ benzene‚ nicotine‚ and arsenic (rat poison). The list goes on of all the harmful chemicals that can be found in cigarettes and cigarette smoke. Second would be second hand smoke. Second hand smoke is a term used to describe cigarette smoke that
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We began our research by treating chalcone 1a (??) with acetylacetone 2a (??) in the presence of morpholine as the base (??) in CH3CN at 80 ºC for 12 h. The reaction was monitored by TLC until the disappearance of the starting material and the formation of 1-(5-benzoyl-2-methyl-4-phenyl-2‚3-dihydrofuran-3-yl)ethanone 3a. this reaction mixture‚ containing the 2‚3-dihydrofuran 3a generated in situ‚ was treated with sulfur element (??) in the presence of base of morpholine (??) at 80°C and the desired
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Therefore‚ adipose tissue is broken down by lipase forming free fatty acids (Westerberg‚ 2013). The free fatty acids are converted into acetyl coenzyme A‚ some are used in the Krebs cycle to produce energy and the rest are “broken down into ketone (acetone‚ acetoacetate‚ and B-hydroxybutyrate)” (Westerberg‚ 2013‚ p.
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chart‚ outline the process of gram staining. (5 marks) Flood the slide with crystal violet for 1 minute then rinse with water Flood the slide with iodine for 1 minute then rinse with water Flood the slide with solution of ethanol and acetone for 10 to 30 seconds then rinse with water Flood the slide with safranin for 1 minute then rinse it with water Blot dry the slide 3. What is the function of iodine when used in gram staining? (2 marks) Its function is to form large
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natural or synthetic. In some perfumes it can cause unwanted reaction to some people‚ especially people with asthma ‚Sometimes if the perfume is used in large amount it may cause allergic reactions to the skin. Like the substance ethyl acetate and acetone that is present in most perfumes they are also known for possible breathing problems. Sampaguita Sampaguita is a very sweet scented flower and it the scientific name Sampaguita is Jasminum sambac oleaceae. And it grows in a spreading or sprawling
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HSB INSTITUTE FOR HIGHER EDUCATION (for IX-XII ‚UG‚PG) ADD: CB 81 D DDA FLATS HARI NAGAR M: 9210846949/9717925135 HSB INSTITUTE FOR HIGHER EDUCATION ADD: CB 81 D DDA FLATS HARI NAGAR An ISO 9001:2008 Certified Institute (Indian Standard Organization(ISO) Certificate Number:2071-QMS-1071) Email id: hsbsolutions7@gmail.com website:www.hsbsolutions.jimdo.com Ph: 9210846949 / 9717925135 Physics: Chapter 2 Solutions Last 15 years questions with solutions Topic: Strength of Solution Q.1Discuss
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T2:BIOCHEMISTRY AND ANALYSIS:DETECTION OF FATS‚PROTEINS AND CARBOHYDRATES OBJECTIVE The main purpose of the experiment is to understand some general tests that detect fats‚proteins and carbohydrates in foods. INTRODUCTION Carbohydrates are also known as sacharides. There are 4 main groups of carbohydrates‚which are monosaccharides‚ disaccharides‚ oligosaccharides and polysaccharides. Carbohydrates play an important role in living organism as it is the energy storage‚ and it also plays
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represents the major constituents for the sauce samples and can be produced as a result of either lipolysis or from amino acid metabolism in terms of valine deamination [13]. Volatile compounds in the most of samples were identified trimethylamine (TMA)‚ acetone‚ 1-propanol‚ acetic acid‚ 2-butanone‚ benzene‚ propanoic acid‚ 3-methyl-1-butanol‚ 2-methyl-1-butanol‚ butanoic acid‚ 2-methyl butanoic acid‚ 3-methyl butanoic acid‚ 4-methyl pentanoic acid‚ phenol and benzaldehyde. It has been reported that TMA‚
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Chemistry Lab Report on standardization of acid and bases. Purpose: To prepare standardize solution of sodium hydroxide and to determine the concentration of unknown sulfuric acid solution. Data and Calculations: This experiment is divided into two parts (Part A and Part B). In the first part of experiment‚ the standardize solution of sodium hydroxide is prepared by titrating it with base Potassium hydrogen phthalate (KHP). The indicator Phenolphthalein is used to determine that whether titration
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DEVELOPMENT AND TESTING OF ASBESTOS FREE BRAKE LINING MATERIAL INTRODUCTION The friction material in the automotive brake system has been considered as one of the key components for overall performance of a vehicle. This is because it plays crucial roles in various aspects of the brake performance such as a stopping distance‚ pedal feel‚ counter disk wear and brake induced vibrations. A great deal of effort has been given to improve the performance of the friction material and multiphase
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