you just answered a question for me, but the following are my answers to choose from. it was the 2nd question that I posted. about hydrocloric acid solution mixing with sodium bicarbonate. So, my answers to choose from are gas evolution, precipitation, acid-base neutralization, and oxidation... I'm confused

I responded below at the original question.

It definitely is NOT oxidation and it definitely is NOT precipitation. It definitely IS gas evolution. It COULD be acid base neutralization depending upon how acids and bases are defined.