Question

An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.

Options

• HNO₃ and NaOH

• H₂SO₄ and KOH

• CH₃COOH and NaOH

• HCl and NH₄OH

Answer 1

An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of HCl and NH₄OH.