Fill in the following blanks with suitable words:

(a) Splitting of a heavy nucleus into two lighter nuclei is called .............


(b) Uranium-235 atoms will split when hit by ............ This is called ....................


(c) Nuclear ................ is used in nuclear power stations for the production of electricity.


(d) In a nuclear power station, nuclear fission takes place in the .............


(a) Nuclear fission

(b) Neutrons; nuclear fission


(c) Fission


(d) Reactor


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