This is a chemical process.
Chemical.
Is it a physical or chemical change when an antacid tablet releases carbon dioxide gas and comes in contact with hydrochloric acid in the stomach
It is a chemical change. Depending on the antacid, the active ingredient in the tablet (which is a base) will react with the hydrochloric acid to produce water, a salt, and sometimes carbon dioxide.
chemical change
chemical change
i think it is chemical but it may be physical.
It is a change in physical state, which is a physical change.
Frozen carbon dioxide is still carbon dioxide, so it is a physical change.
chemical change
chemical
physical reaction, because there is no change in its chemical composition.
It is a chemical change.