WILL GIVE BRAINLIEST A student heated some matter, which caused some of its properties to change. A change in which two properties would indicate that the matter
underwent a chemical reaction?
A. State
B. Temperature
C. Melting point
D. Color

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It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).