Answer:
The correct answer is option B.
Step-by-step explanation:
Chemical change is defined as the change of a substance which is observed during a reaction where the chemical composition identity of the substance gets changed.
Physical change is defined as the change which can be measured and whose value describes the state of physical system. For Example: State, density etc.
Nuclear change is defined as change when a nucleus of an undergoes fission or fusion that is combining of neutrons and protons to form new heavier atom.