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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Purpose: The Purpose of this lab is to utilize‚ demonstrate and understand the various techniques and procedures used to gravimetric labs. For this particular lab we will utilize our scientific knowledge of related to gravimetric procedures to find the chloride content in an unknown soluble salt. Theory: Using our developed knowledge of the conservation of mass‚ solubility and precipitation it is possible (with some degree of error) to know the content of chlorine in a particular salt by dissolving
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Abstract: By studying and calculating state variables from equations of state‚ such as the Peng-Robinson equation‚ the Clausius-Clapeyron equation‚ and the Antoine equation‚ one can see its dependence on thermodynamic properties of 1‚3‚5-Trimethylbenzene. After researching critical‚ triple‚ and melting point properties‚ other constants‚ and enthalpies of sublimation‚ fusion‚ and vaporization‚ many quantities were able to be calculated. The programs used to solve for these quantities were the Peng-Robinson
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(NaOH) is a strong base and when it is titrated with a strong acid the equivalence point will be expected to be a pH of 7 (wyzant.com‚ Feb. 12). NaOH is also known as caustic soda‚ it is soluble in water‚ ethanol‚ and glycerol but is insoluble in acetone and ether (nap.edu‚ Feb. 12). When Phenolphthalein a weak acid and when hydroxide ions (NaOH) is added the indicator is turned pink (Chemguide.co.uk‚ Feb.12). The objective was to titrate a solution of Citric acid and Phenolphthalein‚ with a base
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