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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.
Does pH of 2 - 3.8 help to kill bacteria?
Some bacteria live in a low pH environment. So given the pH range some bacteria may survive. The best common bacteriocide is 'Bleach'. It is the chlorine ions in bleach that act as a bacteriocide. Bleach , not only whitens objects, but it also kills bacteria.
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.
What is sewage mostly made of?
Liquid waste, with dissolved solids and undissolved solids. Sewage is transported to the treatment plant by underground pipeline(sewers). At the sewerage plant, the undissolved solids are first filtered out. So the whole is now a liquid solution. This solution is then treated with various chemical ions to remove the dissolved solids. Then it is filtered through filter beds to 'clean' the water. Finally, chlorine gas is bubbled through as a bacteriocide, so that the water can be used for drinking. Then as clean fresh pure water , it is pumped back to consumers/houses etc., for consumption. The solid materials collected at the sewerage plant are treated with enzymes and more bacteria, to make it into a suitable fertiliser, for agricultural use.
