science

An antacid tablet added to a glass of water fizzes and bubbles as it mixes.

Which of the indicators of a chemical change is represented in this scenario?

formation of a gas
change in color
change in energy
formation of a precipitate
is it the last one?

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  1. i believe its d, but i'm not fully sure.

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  2. it was wrong i think it is the first one

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  3. The fizzing and bubbling indicates generation of a gas.
    Baking soda and vinegar will do it big time. You can use it to clear clogged drains but do not stick your face near the reaction.

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  4. for anyone in the future it is: formation of gas

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