Question

A change in the properties of matter that does not change the identity of the substance is:

Answer 1

No, the correct answer is B. Physical change because the identity of the substance does not change. 
For example, if you take a piece of paper and tear it in half you actually changed its property because now those pieces of paper have half the weight and and size that they did before you did anything. Now you know its a physical change because its still paper all you have done is change the physical appearance.
Hope this was helpful(;

Answer 2

Answer:

The correct answer is option B.

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.