what are the other treatments on developing or improving a catalyst aside from like x-ray diffraction
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- Name at least two alternative chemical tests that can be performed to characterize functional groups/hydrocarbons in an unknown sample (aside from Nitration test, Bromine test, and basic oxidation reaction test.)Given the following common laboratory materials, which of the three methods of heat sterilization do you think is the most appropriate and practical to use in sterilizing them ? Why do you think so ? a) empty flask b)L-rod (glass rod c)10 ml glass pipet d) wire needles e)antibiotic solutionwhat does it mean if a pigment (let' say 'yellow') traveled beyond the solvent front in paper chromatography?
- How can one remedy the effect of pH change due to sterilization?Write the materials, reagents, Principle and procedure for the Periodic acid Schiff techniqueMany culture media produce colorful solutions due to the presence of which are water soluble organic compounds that change color whenever there is a change in pH. Enumerate the indicators used, indicate the tests where they are used and give their specific reactions.
- Many culture media produce colorful solution due to the presence of which are water soluble organic compounds that change color whenever there is a change in pH. Enumerate the indicators used, indicate the tests where they are used and give their specific reactions.Why is it important to select immiscible solvents when performing liquid-liquid extraction? In general, how can you determine which layer (aqueous or organic) is on top, and which is on the bottom?What is the purpose of doing the silver nitrate test? Write the chemical equation involved here
- What volume of 50 ppm nitrate stock solution would you use to prepare 50 ml of 1ppm, 2 ppm, 3 ppm and 4 ppm nitrate solutions?Which of the following reagents can be used in the reaction in the photo? A.) pyridinium chlorochromate B.) potassium permanganate C.) sodium dichromate with sulfuric acid D.) potassium chromate with sulfuric acidWhich stationary phase is better in separation of the components of moringa extract for column chromatography? Sodium Bicarbonate or Silica Gel? And Explain.