A student described two properties of a substance as shown. Properties of Substance Property Description C A known mass of the substance gives off heat when it is burned. D A substance can be stretched out to become a long wire. Which of the following is true about the two properties described in the table? Both are physical properties. Both are chemical properties. C is a chemical property and D is a physical property. C is a physical property and D is a chemical property.
C is a chemical change because it is being burned, which is a chemical reaction (it makes new subtances). D is a physical reaction because the substance is only changing its shape.
