H2+O2=?
Mình bị mất gốc hoá

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.

Idon't know hope someone you

To present informationto make information easily available 

Your question is not clear but if you can explain yourself i would be glad to .  just trying to : ))