Boiling the water will sterilize it. However, it can't remove chemicals from the water.
There are quite a few ways that you could sterilize something. Sometimes using very hot water and soap can sterilize.
Bleach, bleach and more bleach You can't sterilize a well, you can only sterilize water that comes out of it. If the water is contaminated when it comes in, nothing you do to the well will affect the water itself, more contaminated water will enter the well.
It usually takes a minimum of 10 minutes to sterilize items places in boiling water.
The best way to sterilize bottles is to steam them for a few minutes in a large pot on the stove with a little water. They can also be sterilized in an industrial dishwasher with a "sterilize" function. Microwaves are non-ionizing radiation. They do not sterilize anything by themselves, except to the extent that they can boil water. It would be possible to sterilize bottles in a microwave, assuming that you had a microwave-safe container that you could boil water and bottles in. (Never put a sealed container in a microwave).
No. Chilling water can slow the growth of microorganisms, but it does not sterilize the water.
Boiling cannot sterilize scissors but heating at temperatures above the boiling point of water in an autoclaving (121oC) would sterilize scissors after 15-20 minutes.
Yes. If not, bacteria could grow on them.
To effectively sterilize water using alcohol, a concentration of at least 60-70% alcohol is recommended. The exact amount depends on the volume of water being treated. Typically, a small amount of alcohol is needed to mix with the water or to swab the container.
To sterilize it.
The best way is to filter sterilize the solution using a nylon membrane/ syringe filter, of 0.45 micron pore size. If needed, dissolve Urea in autoclaved water and then filter sterilize.
To sterilize cotton at home, you can boil it in water for 15-20 minutes. Make sure the cotton is fully submerged, then remove it and allow it to dry on a clean surface. Alternatively, you can place cotton in a heat-safe container and microwave it for about 5-10 minutes, ensuring it does not catch fire. Always let the sterilized cotton cool before use.
To effectively sterilize water for drinking, you can boil it for at least one minute, use water purification tablets or filters, or use a UV water purifier. These methods help kill or remove harmful bacteria and pathogens, making the water safe to drink.