More irreversible changes
Lesson 18 / 20
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I can describe the action of acid with bicarbonate of soda as an irreversible change, where a new material is formed.
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Vinegar is an example of an acid that we find in our homes.
Bicarbonate of soda is a white powder used in baking to make bread, batter and cakes rise when baked.
When vinegar and bicarbonate of soda are mixed, this produces a new material in the form of carbon dioxide gas.
The action of acid with bicarbonate of soda is an irreversible change.
During an irreversible change, the material that has been changed cannot return to its original state.
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