Want this question answered?
a physical change
chemical change
American opportunities
American opportunities
A chemical change occurred
False.
The change occured due to the endothermic reaction i.e. ( the reaction which requires heat to react ) is called endothermic change.
This occured around 1961.
potencial energy
Change in total mass of substances.
air bubbles is a sign that a chemical change has occured
Grow tobacco