which of these is a sign of a chemical change?\na a change in volume\nb a change in size\nc a change from…
which of these is a sign of a chemical change?\na a change in volume\nb a change in size\nc a change from liquid to solid\nd a change in color
Answer
Brief Explanations:
A change in color can indicate the formation of a new substance during a chemical reaction. Changes in volume, size, or state (like liquid - to - solid) are physical changes and do not necessarily mean a new substance has been formed.
Answer:
d. a change in color