Explanation:
Chlorine gas bleaches the damp litmus (red or blue). Bleaching is an oxidation process.
I'm pretty sure it's B because carbon atoms are in all living organisms. They can also be bonded in different varations.
A sour-tasting material (usually in a solution) that dissolves metals and other materials. Technically, a material that produces positive ions in solution. An acid<span> is the opposite of a base and has a pH of 0 to 7.</span>
