what is oil immersion and why is it used

Q: what are the different hoods in the lab and why are they important?

A:

Q: to dilute a sample by 1/3. For a final volume of 27 ml, how much sample would you add to how much…

A: The concentration of the solution fluctuates as it is diluted, but the number of moles of reactant…

Q: what does chroomatography observation mean

A: Column fractionation was developed in the 1890s as a technique of separating the various components…

Q: Does measuring using higher (50mL vs 100mL) produce more accurate and precise results?  Why?

A: In the realm of scientific measurements and laboratory practices, the choice of container size can…

Q: Find the amount of dehydrated medium needed to prepare 15 BUTTS, 20 SLANTS, and 25 BUTT-SLANTS.

A: Slants, Butt-slants, and butts are different types of media prepared for bacterial growth. Slants…

Q: The two most abundant pigments in the chromatography results were carotene and Xanthophyll. What…

A: A photosynthetic pigment is a pigment which is found in green plants and do not  absorb all the…

Q: How do you calculate the amount of ammonium sulfate necessary to get a 20% solution?

A: Ammonium sulfate is the most commonly used for protein precipitation in protein purification.

Q: How can we make soap?

A: Soaps are the salts of fatty acids. Soaps are generally used as surfactants for washing cloths,…

Q: Why is it necessary to flame the top of the bottle before pouring the plate?

A: Aseptic techniques are used to prevent contamination from pathogens. These are used in clinics and…

Q: techniques of bio adhesivemini tablets? or how bio adhesive tablet works?

A: Bio adhesive mini-tablets, bio-adhesive are the polymers or polymeric material having adhesive…

Q: What is Iodine Test? Explain.

A: Introduction :- Using a chemical reaction, the iodine-starch test can determine whether starch or…

Q: What is the underlying basis for the use of oil when using an oil immersion objective?

A: Microscopy is the technical field of using microscopes to view samples and objects that the naked…

Q: What is the difference between normal and reverse phase chromatography?

A: The main Difference between Normal and reverse phase chromatography is 1) In normal phase…

Q: By the means of gas stoichiometry, how soaps are created?

A: Soap is made up of animal fat or plant oil, as well as caustic soda. It dislodges dirt from surfaces…

Q: Why does the nitrate reduction tube turn red after the addition of zinc?

A: Nitrate reduction test is used to find the bacteria who have the ability to reduce the nitrate.

Q: What are the types of wax bath?

A: There are many types of therapeutic baths that are prescribed by the physician according to the…

Q: What is the purpose for testing a specimen for hydrogen sulfide production?

A: Hydrogen sulfide is produced when a bacterial strain reduces the sulfur compounds.  The specimens…

Q: Why are so many anesthesia (such as ether, chloroform, etc.) fat solvents?

A: Any substance that causes a human to lose consciousness is considered an anaesthetic. Clinical…

Q: asystole

A: The cardiac cycle is the performance of the human heart from the beginning of one heartbeat to the…

Q: What purpose does water services in the “Effects of Antiseptics & Disinfectants” lab? What did you…

A: Antiseptics are used on living organisms, such as human skin, to kill any microorganisms living on…

Q: Why is it necessary to use immersion oil when the 100X objective is used'

A: Note - we answer one question at a time. Immersion oil is transparent and has specific viscosity and…

Q: What is the likely result if you try to use the 100X objective without immersion oil?

A: Introduction :- To prevent any air gaps and light loss owing to refraction (bending of the light)…

Q: omatography with other chromatography

A: Chromatography can be defined  laboratory technique for the sepration  of the mixture. The mixture…

Q: What is the function of immersion oil?

A: Immersion oils are transparent oils that have specific optical and viscosity characteristics…

Q: what happens to hydrogen peroxide decomposed to oxyen when: a.) stirred slowly b.) Stirred

A: Decomposition of hydrogen peroxide

Q: What happened when potato strip placed in salt water?

A: 1) A solution mixture that exhibits a higher concentration of salt than the surrounding medium. Then…

Q: Which do you use first to clean the operating room, a disinfectant or a detergent? And why?

A: Operation theater is a sterile area where it should maintain the sterility to avoid occurance of any…

Q: what does it mean if a pigment (let' say 'yellow') traveled beyond the solvent front in paper…

A: Paper chromatography is the process of separation technique which involved in speraration of…

Q: Can we use maceration to extract volatile oils? why or why not?

A: Plants produce volatile oils, which are odorous natural compounds. They are in charge of the…

Q: mportance of pH adjustment in culture media?

A: Culture media is also known as growth media. It is a mixture of nutrients that helps for the growth…

Q: Define nitrate reduction

A: Nitrogen Fixation:  Nitrogen fixation is the process by which atmospheric nitrogen (N2) is converted…

Q: Please give me the general conclusion on the topic  'air pollution'. (1 to 2 pages)

A: Pollution refers to garbage and contaminants that enter our ecosystem. This pollution has a…

Q: What special precautions must be taken when using the oil immersion (100x) objective?

A: Using oil immersion reduces the air gap between the glass slide and the objective lens. This air gap…

Q: Why do we add powdered zinc to the nitrate reduction test?

A: Bacteria are prokaryotic simple unicellular organisms. Their mode of respiration may be aerobic or…