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What type of chemical agent retards bacterial growth?
Antibiotics are chemical agents that retard bacterial growth by targeting specific components of bacterial cells, which can inhibit their growth or kill them. Examples include penicillin, tetracycline, and ciprofloxacin.
Is bleach fungicidal?
Yes, bleach is fungicidal, meaning it can kill fungi and mold. It is often used as a disinfectant to eliminate mold and mildew on surfaces. However, it is important to use bleach carefully and follow proper safety precautions.
Where Chlorine used For Killing Bacteria?
Chlorine is commonly used for killing bacteria in swimming pools, water treatment plants, and household cleaning products. It is effective at disinfecting surfaces and killing harmful microorganisms due to its strong oxidizing properties.
What is the technical process of purifying water?
In the lab. it is distillation. In commerical setting , for industrial and domestic use. #1 filtration to remove solids. #2 washed through filter beds to remove salines. #3 chlorine gas is bubbled through to act as a bacteriocide.
Can you get sick if the pool has no chlorine in it?
Yes, and sadly enough, there are a slim couple of particular strains of bacteria that can grow even in a properly chlorinated pool, crypto-sporidium just to name one. But yes you can get sick from swimming in a pool that has no sanitizer. Still probably cleaner than any lake or pond you've ever swam in ;-)
What is pH of ordinary water?
pH of puredistilled de-ionised water at 25oC is pH = 7. However, tap water, because of additives put inot it by the water-companies, decreases the pH to about pH = 6.7 NB One of the additives is Chlorine gas. In water, chlorine simultaneously form HCl & HClO, both of which are acids. Chlorine is added as a bacteriocide to water.
An element in household bleach that also may be present in drinking water?
Chlorine. A molecule of chlorine has the ability to disproportionate in water. That is it simultaneously oxidises and reduces. Cl2 = Cl-Cl = Cl^(-) + Cl^(+) Disproportionation). Cl2 + H2O = HCl(reduced) + HClO(oxidised). At a water treatment plant, chlorine gas is bubbled through water, in order to act as a bacteriocide, so the water is drinkable/potable. Household water contains minute traces of hydrochloric acid(HCl) and hypochlorous acid(HClO). It is the hypochlorous radical 'ClO^(-)' that is found in bleach. (NaClO or Ca(ClO)2
Does pH of 2 - 3.8 help to kill bacteria?
pH is a measure of acidity or basicity of a solution, and is not an actor capable of verbing things. A bacterial cell living in an environment with too much acid or too much base (relative to what it is set up for) will tend not to do well and perhaps die, depending on how its membranes are set up. Acidophiles like and do well in low pH environments, and v.v.
A chemical that kills bacteria or slows their growth is called?
Antibiotics, is a generalized answer, however there are different types of antibiotics. There are Bacteriostatic Agents which answer your question in that they inhibit the growth of bacteria which is a microorganism Then there are bactericidal agents (bacteriocide) and they kill bacteria which is a microorganism Agents having the suffix -cidal kill organisms, agents having the suffix -static merely inhibit their growth and reproduction.
What is the different between bactericidal and bacteriostatic?
BACTERIOCIDE: The agent which kill bacteria is called bacteriocidal it can be done by heat of any chemical. BACTERIOSTATIC: The agent which inhibit the growth and reproduction of bacteria but do not necessasarily kill the bacteria.
Why do you add chlorine into tap water?
Chlorine is added to tap water as a disinfectant to kill harmful bacteria and pathogens that may be present in the water supply. This helps ensure that the water is safe for consumption by reducing the risk of waterborne diseases.
What is the chemical formula for hypochlorous acid?
HClO or HOCl NB Chlorine has the ability to DISPROPORTIONATE in water. That a molecile of chlorine (Cl2) simultaneously oxidises and reduces. Cl2 = Cl^(+) + Cl^(-) When dissolved in water H2O + Cl2 = HCl + HClO That is it forms hydrochloric acid (HCl) & Hypochlorous Acid (HClO). This characteristic is used by water treatment plants to ensure there is no harmful bacteria left in the water; it acts as a bacteriocide.
