Acids are described as corrosive because they a. turn litmus blue. b. taste bitter. c. "eat away" at other materials. d. feel slippery.

It's C.

Explanation:

c: eat away at other materials.

C

Explanation:

acids are corrosive since they tend to destroy every single thing they do get a big example is the acidic rain which tends to corrode iron sheet thus making them to appear worn out and full of rust