1. Take a spoonful of soap powder and place
it in the bowl
2. Add several drops of the vinegar onto the soap powder
in the bowl.
Watch to see what happens.
This reaction becomes a bubbling froth that gives off
carbon dioxide gas. Once it finishes frothing, it leaves behind
a salt substance that is not edible (DO NOT eat this salt). This
chemical reaction is caused by the vinegar acting as the acid
and the soda is the base.
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