https://www.energy.gov/science/bes/articles/blurring-line-between-animate-and-inanimate-active-matter-drives-self-propelled https://www.reddit.com/r/DnD/comments/pump6v/liquids_are_objects/
Liquids aren't objects.
If someone wants to conjure a "vial of acid," they conjure a vial but no acid.
This is in reference to Purple Worm Poison and trying to abuse it with a Conjuration Wizard or Creation Bard. https://www.dndbeyond.com/forums/dungeons-dragons-discussion/tips-tactics/56111-op-minor-conjuration-purple-worm-poison-build
Step 1: Don't allow it. Step 2: Don't allow it then use it against them. See Step 1 instead.