During a class demonstration, a model volcano “erupts” when the teacher adds vinegar to baking soda inside the volcano. Vinegar contains acetic acid, and baking soda is sodium hydrogen carbonate. When they are combined, a reaction occurs and bubbles form. Which gas is in the bubbles, and why do the bubbles form?
A. Oxygen gas forms because an acid reacts with a metal.
B. Carbon dioxide gas forms because an acid reacts with a metal.
C. Oxygen gas forms because an acid reacts with carbonate ions.
D. Carbon dioxide gas forms because an acid reacts with carbonate ions.
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During a class demonstration, a model volcano “erupts” when the teacher adds vinegar to baking soda...
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