Write short notes on 2 disinfectants
Answers
Answer:
Disinfectants are applied to non-living objects to kill the microorganisms, used in public health sanitation, floors, to streamline instruments, etc. Examples include chlorine, sulphur dioxide, phenol (concentrated solution).
Explanation:
Disinfectants can be split into two broad groups, oxidizing and nonoxidizing. Oxidizing disinfectants include the halogens, chlorine, iodine, bromine, and chlorine dioxide, and oxygen-releasing materials such as peracetic acid and hydrogen peroxide.
Answer:
- Ethyl alcohol: Damage cell membranes, denaturing essential microbial proteins and interfering with metabolism and resulting in cell lysis.
- Household Bleach: Free available chlorine reacts with contents within microorganism, reaction byproducts cause its death Stability of free available chlorine is dependent upon chlorine concentration, pH of organic matter and light.
Explanation:
Disinfectants are chemical agents designed to inactivate or destroy microorganisms on inert surfaces. Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores; it is less effective than sterilization, which is an extreme physical or chemical process that kills all types of life.
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