Which of the following acid(s) never forms acidic salt?

Q. Which of the following acid(s) never forms acidic salt?

(a) HCl

(b) H₃PO₄

(c) H₂SO₄

(d) H₂CO₃

1. (A) only
2. (D) only
3. (A) and (D) both
4. (A) and (C) both

Answer: (A) and (C) both