An aqueous solution turns red litmus solution in blue. Excess addition of which of the following solution would reverse the change? [1]
A. baking powder
B. lime
C. ammonium hydroxide solution
D. hydrochloric acid
Answer:D
An aqueous solution turns red litmus solution in blue. Excess addition of which of the following solution would reverse the change? [1]
A. baking powder B. lime C. ammonium hydroxide solution D. hydrochloric acid