chemical reactions can be recognized by the presence of heat, light, or gas formation. the ultimate outcome…

chemical reactions can be recognized by the presence of heat, light, or gas formation. the ultimate outcome for any chemical reaction is the\nchange from a solid to a liquid.\npresence of sound.\nformation of a new chemical substance.

chemical reactions can be recognized by the presence of heat, light, or gas formation. the ultimate outcome for any chemical reaction is the\nchange from a solid to a liquid.\npresence of sound.\nformation of a new chemical substance.

Answer

Brief Explanations:

A chemical reaction is characterized by the formation of a new chemical substance. A change from solid - to - liquid is a physical change (melting). Sound is not an indicator of the ultimate outcome of a chemical reaction.

Answer:

C. formation of a new chemical substance