Which of the following is a sign that a chemical reaction has occurred?
What happens to the chemical bonds during a chemical change?
A physical change is always reversible.
Which of the following is an example of a physical change?
Select all the signs of a chemical reaction.
Which statement is true about chemical changes?
Dissolving salt in water is a chemical change.
What is it called when a solid forms from a liquid during a chemical reaction?
Which processes are examples of chemical changes?
What is one common sign of a chemical reaction involving gases?
All physical changes result in the formation of new substances.
What typically does not indicate a chemical change?
Select the processes that showcase signs of chemical reactions.
During a chemical reaction, what happens to energy?
Baking soda reacting with vinegar is an example of a physical change.
Which of these can indicate a chemical change? Select all that apply.