How does an emulsifier work? How does this affect the cleansing action of soaps?

Q: can the same chemical be used for an antiseptic and a disinfectant?

A: Antiseptic - These can slow down the growth as well as can kill the microbes, but do not harm the…

Q: what does chroomatography observation mean

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

Q: How to prepare tryptone agar, tryptone broth and tryptone soft agar from other chemical contents and…

A: Tryptone is formed by the enzymatic digestion of casein by the trypsin enzyme. Tryptone is used as a…

Q: Define sterilant, and name the principal sporicidal chemical agents.

A: Sterilization is defined as the process where all the living microorganisms, including bacterial…

Q: Why can’t nitric acid stains be removed by washing?

A: Nitric acid: it has the chemical formula HNO3. It is a conjugate acid of nitrate and a protic…

Q: How can the temperature of steam be raised above 100°C? Whichinstrument is based on this technique…

A: Steam is generated after the water boils. At normal atmospheric pressure, water boils at 100°C, and…

Q: What is the chemical basis of Molisch test?

A: Molisch test is a colorimetric method that is used to detect the presence of carbohydrates in a test…

Q: What does the red dye Prontosil have to do with sulfa drugs?

A: Antibiotics are the medicines which are used to cure infections which are caused by bacteria. These…

Q: Why is picric and tannic acids used in treating burns and diarrhea?

A: Picric acid is a potent explosive that is a derivative of phenol. Picric acid is a chemical compound…

Q: What are the two most Resistant, and the two most Sensitive microbial structures to antiseptic…

A: Biocides:  It is the term used to portray the chemical entity or the living organic entity that can…

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: What are the treatment for mild cyanide poisoning?

A: Cyanide is a carbon-nitrogen bond and can be found in many edible substances like almonds, lima…

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 is the effect of down temperatue on human body

A: Endothermic animals are warm-blooded animals that can maintain constant body temperature regardless…

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 are the applications for Pasteurization, Autoclaving, UV irradiation, and Gamma irradiation?

A: It is required to mention the application of Pasteurization, Autoclaving, UV irradiation, and Gamma…

Q: How is household bleach like a weapon against pathogenic bacteria?

A: pathogenic bacteria are those bacteria which can cause disease . they have to be eradicated .

Q: What structural characteristics are necessary for good drying oil?

A: Drying oils are the ones which get hardened into a tough film when they are exposed to air. These…

Q: Which is more effective as an antiseptic: ethyl alcohol or isopropyl alcohol? Choose only one and…

A: Alcohols are widely used for their sterilizing properties. They are widely used as an ingredient of…

Q: Distinguish between a sterilant, a disinfectant, and anantiseptic. What is cold sterilization?

A: The human environment is filled with microorganisms. These tiny organisms are found everywhere on…

Q: How did your soap compare to the commercially prepared soap?

A: If we wash oily/ greasy hands with soap then only oil/grease gets removed. In the…

Q: How can polarography detect the analyte?

A: Jaroslav Heyrovsky discovered polarographic method   Polarography is a simple method in analytical…

Q: What is the function of mordant?

A: Gram staining is a common technique that is used to differentiate bacteria into two broad groups…

Q: Why does picric acid and tannic acid are used to treat burn?

A: Picric Acid, is an organic compound chemically known as 2,4,6-trinitrophenol. It is a pale yellow…

Q: Is the pH level of bleach higher, lower, or the same as H. influenzae, S. aureus and S. pneumoniae?

A: Bleach is an alkaline solution made of sodium hypochlorite (NaClO) that is used in both the domestic…

Q: If we wanted to measure the BSA absorbance without the Biuret reagent, which wavelength would we use…

A: BSA stands for bovine serum albumin, which is a protein extracted from cows' serum albumin. In lab…

Q: What is the function of immersion oil?

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

Q: What are the different types of disinfectants? How is each one different or similar from the others?…

A: Almost every environment on the planet contains bacteria and microorganisms. In fact, on one square…

Q: Why is it necessary to know the accurate proportion in mixing bleach and water in cleaning and…

A: Bleach is a strong disinfectant.  It has a active ingredient sodium hypochlorite; an effective…

Q: How do uncoupling agents work?

A: Uncoupling agents are also known as uncoupler. They are molecules that disrupts the oxidative…

Q: For what purposes is alcohol a useful antiseptic?

A: A microorganism is a microscopic organism which may exist in its single-celled form or in a colony…

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: Why are film formers and solvents important in sunscreen formulations

A: In generating medicines or cosmetics formulation plays a key role as it makes sure that the active…

Q: Explain the chemical nature of soap - is it hydrophilic or hydrophobic (or both)?

A: Soap is a mixture of sodium salts of various naturally occurring fatty acids. The soap is produced…

Q: Would puromycin be useful for the treatment of a virus infection? Why or why not? Would…

A: Yes, Puromycin would be useful for the treatment of viral infections. It is an analogue of aminoacyl…

Q: What advantages does alcohol have over hand soap for antisepsis of the skin?

A: Antiseptics are the chemical substances that inhibit the growth or kill the microbes that reside on…

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: What is the pH of bleach?

A: pH is the measure of the acidity or basicity of a solution. pH can be defined as the negative…

Q: Why do detergent powders removes stain?

A: Answer 1: Detergents have the power to clean. Detergents are surfactants. Detergents are amphiphilic…

Q: Which among the ingredients of this product is the main preservative? Explain.

A: For centuries, people have been preserving food. It all began with the ancient practice of…

Q: Which is better to use in washing clothes, soap or synthetic detergent? Explain

A: Detergents are the surfactants or the mixture of surfactants. Surfactants are the compounds that…

Q: which antiseptic do you think will be most effective against the probiotic? Why?

A: Probiotics are live microorganisms that have direct health benefits when consumed . They are usually…

Q: Why acids and boiling are necessary in maceration?

A: Maceration refers to an extraction process that enables contact between a solvent and the plant for…

Q: How does soap clean away dirt?

A: Soap is a cleansing agent used to clean dirt and kill microbes present on a surface. It is made by…

Q: What are detergents?

A: Introduction:- Detergents are amphipathic compounds with charged hydrophilic or polar groups at the…

Q: What are the immersion media that need to be used?

A: Immersion media is used to increase the numerical aperture of the microscope by a factor equal to…

Q: How do you explain the difference in response rates between fresh and rancid oil?

A: Oil is a naturally occurring ester present in both mammals and plants. It is a lipid, which is a…

Q: What is saponification? How can we make soap? What is the reaction involve in making soaps? Whats…

A: Soaps and detergents are commonly used in cleaning clothes, utensils and other dirty surfaces.…

Q: Suppose you have an initial chlorine concentration of 5%. Then out of that, you are told to prepare…

A: The concentration of a solution: The concentration of a solution is defined as the amount of the…