chemical change
This is a chemical change.
We inhale oxygen and exhale carbon dioxide as a result of a change in our bodies. Answer - Chemical Change
physical reaction, because there is no change in its chemical composition.
It is a chemical change. because starch present in bread is converted into carbon and carbon dioxide and reverse of the process is not possible.
No, it's chemical
Frozen carbon dioxide is still carbon dioxide, so it is a physical change.
It is a change in physical state, which is a physical change.
It is a chemical change.
chemical
This is a chemical change.
We inhale oxygen and exhale carbon dioxide as a result of a change in our bodies. Answer - Chemical Change
chemical because it is changing the state from solid to a gas in which is a chemical change
No, it's a physical change.
Combining carbon dioxide and water is a chemical change, not a physical change, but it doesn't make sugar. Carbon dioxide and water makes carbonic acid. CO2 + H2O <--> H2CO3-->H+ + HCO3-
This is a chemical change because a chemical reaction occurs, creating a whole new substance (carbon dioxide).
physical reaction, because there is no change in its chemical composition.
No. It is a chemical change.