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

Q: How does cotton plug prevent contamination of the medium? [Answer in not more than 2 sentences

A: Cotton plugs are used in various experiments as lids to cover the  mouth of the flask. It is usually…

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: Why bleach disinfectant will the most effective against probiotic?

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

Q: What is the difference between sterilization and disinfection? For lab applications which is…

A: Microbes are often killed in lab techniques to prevent contamination and ensure the accuracy and…

Q: The following strip of chromatography paper has been placed in a polar solvent Which pigments the…

A: In chromatographic techniques, including paper chromatography, the lighter molecules will travel the…

Q: what is the difference between sterilizer , disinfectant & surfactant ?

A: There are thousands of microorganism present in the environment. Most of them are harmful to the…

Q: Why it is possible/ applicable to use recrystallization and vacuum filtration with Luminol? Cite…

A: Luminol is a chemical used in many laboratory experiments, like in biotech research lab, forensic…

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: 6. Water melts at o°C, and solidifies / freezes at that same temperature. (a) At what temperature…

A: Microbiology is the branch of biology which deals with the study of micro-organisms like - bacteria,…

Q: all toxic materials subject to biological magnification? What are the requirements for magnification…

A: Biological magnification is the process by which certain substances become more concentrated as they…

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: Which statement among A-D is false regarding physical and chemical agents of control? A) O Effective…

A: Sterilization and pasteurization are equivalent processes because both are used to kill…

Q: What happens if you decrease or increase the concentration of antimicrobials used on the plates.…

A: The kirby Bauer method is the official method disc's of a single, usually high content of antibiotic…

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: Distinguish between acid and rennet curds.

A: Curdling is the process through which curd is obtained by coagulating milk. The coagulation can be…

Q: How would you make two-fold serial dilutions such that the last tube is a 1:32 dilution of the…

A: Serial dilution is used mostly in studies involving cell cultures (microbiology or even cell culture…

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: What is the difference between an antiseptic and a disinfectant? Can the same chemical be used for…

A: Antiseptic Disinfectant 1.       These can slow down the growth as well as can kill the…

Q: Why is it essential that smears be air-dried?  Why can’t they be gently heated over a flame to speed…

A: Introduction :  A bacterial smear is a tiny amount of culture that has been applied to the slide's…

Q: METHOD: Touch different surfaces after that sanitize your hand with 70% alcohol then touch the…

A: Disinfectants are the chemical solutions used to kill microorganisms like bacteria, viruses, fungi,…

Q: Do you think UVC disinfection of N95 face masks is effective? Give two (2) important considerations…

A: N95 filtering facepiece respirator or N95 mask is a piece of personal protective equipment that…

Q: True- False Acetone is the safest solvent for cleaning an objective lens.

A: The micro-organism is the organism that is too small to be seen with the naked eye. It is viewed by…

Q: Kitchen cloths and sponges must be washed thoroughly after use and left to dry before using again.…

A: Kitchen cloths and sponges must be washed thoroughly after use and left to dry before using again.…

Q: What type of spatula should you use for corrosive ingredients?

A: The objective of the question is to identify the appropriate type of spatula that should be used…

Q: Is pureed tomato juice a solution?

A: In chemistry, a solution is a homogeneous mixture composed of two or more substances. In such a…

Q: Why does UV light have to be directly exposed and waved around an object that needs to be…

A: Ultraviolet (UV) radiation is a part of electromagnetic spectrum that lies between X- rays and…

Q: What concentration of ethanol is considered optimum for disinfectant? Why not 100%?

A: Disinfectant refers to the chemical agents that destroy or inactivate microorganisms on an inert…