Respuesta :
The correct answer is option 3 and 5.
Compounds are made up of a mixture of 2 or more elements such as Hâ‚‚O or NaCl.
Compounds have physical properties that are constant and hence allow us to identify them. Different physical properties include color, solubility, mass, odor, density, boiling point, melting point etc
Answer:
The correct answers are, "Maintain Original Physical Properties", "Mixture of 2 or More Elements", and "Physical Change"
Explanation: