Question

Which of the following substances is most acidic?

a
bleach with a pH of 13.0
b
blood with a pH of 7.4
c
sea water with a pH of 8.0
d
rain water with a pH of 5.5

Answer 1

[AI-generated answer — Bot GPT 3.5]

The most acidic substance among the given options is rain water with a pH of 5.5 (option d).