An aqueous solution turns red litmus solution blue. Excess addition of which of the following solutions would reverse the change?
A. Baking powder
B. Lime
C. Ammonium hydroxide solution
D. Hydrochloric acid
Answer:D
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solutions would reverse the change?
A. Baking powder B. Lime C. Ammonium hydroxide solution D. Hydrochloric acid