Question

An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?
(a) Baking powder
(b) Lime
(c) Ammonium hydroxide solution
(d) Hydrochloric acid​

Answer 1

Explanation:

a.Over the course of 130 years, the lighthouse in the photo above "moved" closer and closer to the beach. Of course, the lighthouse didn’t travel

Answer 2

Answer:

(d) Hydrochloric acid

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