Question

Students placed their eggs in vinegar, a mild acid. The egg shells disappeared overnight. Based on the passages description of what happened, we could infer that this is a __________ reaction. A) chemical B) physical C) dissolving Eliminate D) phase change

Answer 1

I think is b physical

Answer 2

I'm pretty sure it's chemical because the calcium carbonate from the vinegar gets into the eggshell making a reaction change the entire display of the shell making it disappear.