Question

What is a physical property?

O a characteristic of a substance that cannot be measured but can be observed
O a characteristic of a substance that can be measured or observed without changing the chemical identity of the substance
O a characteristic of a substance that cannot be measured or observed by conventional means
O a characteristic of a substance that can be measured or observed only by changing the chemical identity of the substance

Answer 1

The answer is B, A characteristic of a substance that can be measured or observed without changing the chemical identity of the substance

Answer 2

B. a characteristic of a substance that can be measured or observed without changing the chemical identity of the substance

Step-by-step explanation:

The definition of a physical property is " a property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change."

The only choice that matches this description fully is the second one, or B, so that is the answer.

hope this helps!