If you find a piece of limestone that has holes through it, this was caused because atmospheric carbon dioxide dissolves in rainwater and reacts to form a ________ that can chemically dissolve rock-like limestone.
A) strong acid
B) weak base
C) weak acid
D) strong base

Question

Quizplus · Accepted Answer

When atmospheric carbon dioxide dissolves in rainwater, it forms a weak acid called carbonic acid. Carbonic acid can chemically dissolve rock-like limestone, which results in the formation of holes and pits on the surface of the limestone. Therefore, the correct answer is C) weak acid.

If You Find a Piece of Limestone That Has Holes