Most, if not all biologicals, including viruses and bacteria die after, at most, about five (5) minutes in rolling, (hard) boiling water. Hospitals and clinics sterilize their tools and equipment in an autoclave, which uses steam and pressure to kill viruses and bacteria. The syringe or equipment / tools must be disassembled before boiling, in order to reach all the parts of the tool or syringe. I am no doctor , therefore I do not guarantee any of my answers.
Yes, boiling water can effectively kill cockroaches by scalding them.
Boiling water does kill spores. This is because spores are like tiny plants in storage so the boiling water harms them.
Boiling water can kill grass temporarily, but it may not permanently kill it as the grass roots can regenerate.
Yes, pouring boiling water on grass can kill it by damaging the plant cells and roots.
Boiling water can effectively kill weeds by damaging their cells and roots. It usually takes about 30 seconds to 1 minute of exposure to boiling water to kill weeds effectively.
Yes, pouring boiling water on weeds can effectively kill them by damaging their cells and roots.
Boiling water can effectively kill poison ivy by destroying the plant's cells and roots.
Boiling water for at least 1 minute can effectively kill most bacteria.
no
Boiling water can effectively kill poison ivy by scalding the plant's roots and preventing regrowth.
Yes, pouring boiling water on grass can kill it by damaging the roots and causing the grass to wither and die.
Boiling water can effectively kill dandelions by pouring it directly on the plant, which will scald and kill the roots. Be careful not to pour the water on nearby plants as it can harm them too.