Contact of substances and heat for some reactions.
How are these conditions used in lighting fires and extinguishing fires? Conditions: heating of the substance to the ignition temperature and the presence of oxygen in the air.
When lighting fires: the presence of air (oxygen), heating the substance to the ignition temperature.
When extinguishing a fire: cut off the air (oxygen) or cool the substance.
What are the means of extinguishing the fire that are in the chemistry room. Fire extinguishers.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.