Name the process by which nuclear energy is generated and also name one substance used for it.

The process is nuclear fission.

Substances are uranium, plutonium, thorium.

Advantages :

(i) For a given amount of fuel, the amount of energy released is extraordinarily large.

(ii) Nuclear power plants can be set up at any place.

Hazards:

(i) Improper nuclear waste storage and disposal result in environmental contamination.

(ii) Further, there is a risk of accidental leakage of nuclear radiation

The process is nuclear fission.

Substances are uranium, plutonium, thorium.

Advantages : 

(i) For a given amount of fuel, the amount of energy is released extraordinarily large. 

(ii) Nuclear power plants can be set up at any place.

Hazards : 

(i) Improper nuclear waste storage and disposal result in environment contamination. 

(ii) Further there is a risk of accidental leakage of nuclear radiation.