A) fragments in the fission are radioactive
B) more than one neutron is given out
C) small amount of energy is released
D) large amount of energy is released
Correct Answer: B
Solution :In the fission process of uranium element, three neutrons are given in each fission reaction and only one neutron is required for fission, so this reaction becomes a chain reaction. Thus chain reaction is possible because more than one neutron is given out in each fission.
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