Question

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?

Answers

anon
i believe its d, but i'm not fully sure.
Dianni
it was wrong i think it is the first one
Damon
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.
Pigeon
for anyone in the future it is: formation of gas

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