explain the spotting effect of ethyl alcohol, acetone and coconut oil when place into the paper
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explain the spotting effect of ethyl alcohol, acetone and coconut oil when place into the paper
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- Test the reaction of a drop fresh coconut oil with moistened red and blue litmus paper. Property Fresh Coconut Oil Rancid Coconut Oil (After Exposure) Color Odor Reaction to Red litmus paper Blue litmus paperSelect all of the following that represent examples of positive stains. A) nigrosin B) methylene blue C) crystal violet D) India ink E) safraninIodine in Ziehl Neelson’s staining serve as the mordant. True or false underline the word that is false
- In absorption spectrophotometry: a. Absorbance is directly proportional to transmittance b. Percent transmittance is directly proportional to concentration c. Percent transmittance is directly proportional to the light path length d. Absorbance is directly proportional to concentrationGive the importance of using cedarwood oil with the oil immersion objective. make it concise and if illustration will be used don't used drawing typeTRUE OR FALSE Coconut oil will give (positive) result to Molisch test.
- which among the following will not produce a translucent spot when placed in a paper? a. none of the above b. extra virgin olive oil c. peanut oil d. coconut oil e. canola oilThe acid fast technique is also known as: A. Ziehl-Neelsen stain B. Auramine-rhodamine stain C. Gerrard-Lampard Stain D. Kinyoun methodGive the color reaction in Wright’s stain and the function of these cells.
- Select ALL the correctly matched terms: a. Immersion oil/ Oil with a different refrative index than air, used to enhance magnification b. Luminescence/ Absorption of light and energy within a sample c. Fluorescence/ Absorbed light rays are changed into longer wavelengths and re-emitted d. Diffraction/ Bending of light rays around an openingGive the procedure of Sabin-Feldman dye test. Describe the positive and negative results.Why do you need to always focus slides initially using the x10 objective, even if you wish to usea higher magnification? (Use for report, write more as u can~)