Microbiology Quizzes Chapter 4 1. In the Gram stain‚ safranin serves as the * Primary Stain * Mordant * Decolorizing agent * Counter stain 2. *If you wanted to determine if a microorganism fermented a particular carbo * Biochemical tests * Morphology * Serology * Phage typing 3. What part of the name Mycobacterium tuberculosis is the species? * Mycobacterium * Tuberculosis * The entire name * None of it 4. The limit of useful
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Sugar (Sucrose)- C12H22O11 Vitamin C (Ascorbic Acid)- C6H8O6 Aspirin (Acetylsalicylic Acid)- C9H8O4 Common Name | Chemical Name | acetone | dimethyl ketone; 2-propanone (usually known as acetone) | acid potassium sulfate | potassium bisulfate - used in the conversion of tartrates to bitartrates in wine. | acid of sugar | oxalic acid – used in cleaning or bleaching‚ especially for the removal of rust (iron complexing agent) | ackey | nitric acid | alcali volatil | ammonium
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flow cabinet. Living plant materials from the environment are naturally contaminated on their surfaces (and sometimes interiors) with microorganisms‚ so surface sterilization of starting material (explants) in chemical solutions (usually sodium or calcium
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Disposal recommendations CHEMICAL COMPOUND – Sodium Hypochlorite * Page 12 : The Basics * Page 13 : Chemical Properties * Page 14 : Physical Properties * Page 15 : Safety Precautions * Page 16 : What else is it used in? * Page 17 : References Household Chemical: Bleach Product Use This product is used for: * Removing Stains * Whitening Whites * Killing Germs Chemical Ingredients * Water * Sodium hypochlorite * Sodium chloride * Sodium carbonate
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State University- San Marcos in room 117 of the chemistry building. The concentrations used in the experiment were both .5 M sodium hypochlorite and sodium thiosulfate. The concentrations of the solutions found in the dumpster were calculated to be .806 M (both sodium hypochlorite and sodium thiosulfate as well). This was found by taking the 6.0% (by mass) sodium hypochlorite and multiplying it by 1 gram of solution‚ 1000 mL and 1 mol NaClO. This result was then divided by the result of 100g of solvent
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reduced (by taking in those electrons) e.g. hydrogen peroxide (hair bleaching)‚ oxygen (respiration) Real Life Application of Oxidation: Swimming-pool water treatment Chlorine or chlorine compounds such as Ca(ClO)2 (Calcium Hypochlorite - usually used) and NaClO (Sodium Hypochlorite) are added to water to form HOCl. HOCL is an oxidising agent and it kills microorganisms by oxidising them (by being reduced itself) When chlorine acts as an oxidising agent it is reduced to the chloride (Cl-) ion
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Chemistry 161 Sample Quiz Chapters 1&2 KEY Harold Note: You have already received a significant figures/scientific notation sample quiz. The first ten problems (20 points) will be of exactly the same type. The numbers will be changed to offend the guilty (those who did not use the sample test as a study guide). 1. The term that refers to the reproducibility of a laboratory measurement is a. precision. b. repeatability. c. accuracy. d. exactness. e. the number of S.F. 2. The distance
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State University – San Marcos in the Chemistry lab. The concentrations used in the experiment were 0.5M of sodium hydroxide and 0.5M of sodium hypochlorite. The concentrations of the solutions found in the dumpster were calculated to be .806 M (both sodium hypochlorite and sodium thiosulfate as well). This was found by taking the 6.0% (by mass) sodium hypochlorite and multiplying it by 1 gram of solution‚ 1000 mL and 1 mol NaClO. This result was then divided by the result of 100g of solvent‚ multiplied
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General Science Questions and Answers No. Question Answer 1 The theory of relativity was propounded by Albert Einstein 2 The principal metal used in manufacturing steel is Iron 3 An altimeter is used for measuring Altitude 4 Oology is the study of Bird Eggs 5 Radioactivity was discovered by Henry Bacquerel 6 The metal used in storage batteries is Lead 7 The instrument used to measure the relative humidity of air is Hygrometer 8 Barometer was invented by Torricelli 9 The unit of power is Watt 10
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Sodium hypochlorite‚ also known as chlorine bleach‚ soda bleach‚ or household bleach is a chemical with the formula NaClO. A common way sodium hypochlorite gets into the San Francisco bay is through daily household cleaning products such as laundry bleach. In a survey conducted by The Clorox Company‚ it was found that four out of five households use sodium hypochlorite bleach for their laundry. Since laundry detergent companies are not required to list every ingredient‚ customers are often not aware
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