Department of Education Agusan National High School Caraga Administrative Region Division of Butuan City Antimicrobial Activity of Banana (Musa sapientum Linn.) Inflorescence Ethanolic Extract against E. coli and S. aureus Armona Jean B. Ongtico Mel Algil A. Agra Jerrson F. Oronan Researchers’ Mrs. Letecia S. Villanueva Research Coach Abstract The experience of human misery in the form of disease is perhaps as old as the inception
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filter paper. Part III. Observation: The CuSO4 from test tube 1 did not migrate through the dialysis bag. When light was held against it‚ the light passed through it. Test tube 2‚ the passage of skim milk was indicated by the turbidity outside of the dialysis bag and when light was held against it‚ the colloidal particles scattered the light. PART V. Observation: In test tube 1‚ the substance becomes heterogeneous mixture. In test tube 2‚ it has single phase
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The flow of salt water will be affected. The exchange of water volume between the basin and the sea will reduce. This will reduce the average salinity of the basin and increase sediment accumulation. Also‚ the reduced exchange will decrease the turbidity of seawater. With this‚ sunlight is able to penetrate through
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temporary ills and everyday gastrointestinal disorders that go routinely unreported can be attributed to organisms found in our water supplies. INORGANIC IMPURITIES: Dirt and Sediment or Turbidity -- Most waters contain some suspended particles which may consist of fine sand‚ clay‚ soil‚ and precipitated salts. Turbidity is unpleasant to look at‚ can be a source of food and lodging for bacteria‚ and can interfere with effective disinfection. Total Dissolved Solids -- These substances are dissolved rock
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bath for 5 minutes when no silver precipitate (ppt.) forms and results were recorded. In Lucas test‚ 5 drops of sample and 15 drops of conc. HCl and a corn grain amount of solid ZnCl2 were mixed. The test tube was shaken well and the appearance of turbidity was formed. In DNPH test‚ 5 drops of sample and 1 mL of EtOH and 1 mL DNPH was mixed and let sit for 15 minutes. It was placed in 70⁰C H2O bath for 15 minutes when no
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abyssal clay 3. All of the following are examples of sediment-transporting media EXCEPT ___________. Correct Answer: Levitation 5. How is most sediment transported from the continental shelf out to the continental rise? Your Answer: by turbidity currents 6. Microscopic shells that create biogenous sediment on the sea floor are called ___________. Your Answer: Tests 7. Beneath the calcite compensation depth (CCD)‚ ___________. Your Answer: calcium carbonate dissolves in seawater
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positive results are of common occurrence. Advantages of MPN Techniques: Interpretation of the results requires minimal experience and training as results can be got by simply observing for the presence of gas or no gas. Also‚ water samples with high turbidity can be analyzed‚ since there is no apparent deleterious effect. Furthermore‚ because of the dilutions used in the range of 1:0 or 1:100‚ toxic substances present in the sample can be diluted out. Finally‚ MPN technique is the effective method for
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Landslides from the caldera rim formed debris fans and turbidity sediments on the lake bed. During this period‚ fumaroles and sources of thermal waters were common and remained active. After some time‚ the slopes of the caldera stabilized more or less‚ the streams restored the radial drainage system of the mountain
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Production of an Injectable 2M Na2SO4 Solution JOHN SMITH ABSTRACT: As we head into the 21st century‚ the pharmaceutical industry requires more efficient processes for the production of excipients used in commercial injections. The following design attempts to maximize the production rate of a 2M sodium sulfate solution to 2000 gallons/day without compromising the purity required by the FDA of the solution. The design minimizes the quantity of moving parts using a single Mark III (Rev
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MODEL QUESTION PAPER 2 PUC II Model Question Paper-2 PUC-II CHEMISTRY Time: 3 hr-15 min. Batch-02 Max Marks: 70 Instructions: i) ii) The question paper has four parts‚ A‚ B‚ C and D. All parts are compulsory Part-A Carries 10 marks Part-B Carries 10 marks Part-C Carries 15 marks Part-D Carries 35 marks iii) Write balanced equations and draw diagrams wherever required (Use log tables and the simple commercial calculator if necessary (use of scientific calculator is not allowed) Part-A I. Answer
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