Question

An aqueoue solution turns red lìtmus solution blue . Excess addition of which solution would reverse the change

Answer 1

Explanation:

aqueoue solution turns red lìtmus solution blue . Excess addition of which solution would reverse the change

Answer 2

Ans: Hydrochloric acid

Since, given aqueous solution is basic because it changes red litmus solution blue. When excess of hydrochloric acid is added, the solution becomes acidic.