If a large quantity of dry grass is set on fire in forests then it is very difficult to put off the fire. Why?

The oxidation of fluoride is very difficult to perform. Why?

If fire catches to a person, which of the following is better to use to cover over him and to put off fire.

Pyridine like benzene, has six pi -electrons in delocalized pi -orbitals, but unlike benzene the orbitals will be deformed as electrons are more attracted towards the nitrogen atom because of its high electro negativity. This is reflected in the dipole of pyridine which has the negative end on N and the positive end on the nucleus. We can compare the respective properties of benzene, pyridine, pyrrole, furan and thiophene, which very frequently give aromatic electrophilic and nucleophilic substitution reactions in different positions. Nitration, chlorination, bromination of pyridine is very difficult at normal conditions. Why?

What pollutants are released by forest fires ?

Sodium catches fire in water. Why?

How can we put off the fire if it breaks out?

In a forest there are two types of deers, in which one type of deer can run very fast. Where as second type of deer can not run as fast as the first one. Lions, Tigers hunt deers for their food. Imagine which type of deers are going to survive in the forest and which type of deers population is going to be eliminated? And why?

In a forest there are two types of deer, in which one type of deer can run very fast . Whaereas second type of deer can not run as fast as the first one. Lions, tigers hunt der for their food. Imagine which type of deer is going to survive in the ofrest, which type of deer population is going to be eliminated? And why ?

Why the fire brigade start the work by putting off the electric mains?

The oil fires should not be sprayed with water. Why?