Question

A road tanker carrying 70% hydrochloric acid owned by SandmeyerChemicals Private Limited, Philadelphia, United States met with an accident yesterdayat springfieldnear Reading Terminal Market, and its contents spilt on the road. It was observed thatiron covers of manholesstarted dissolving and fizzing when the acid ran over them. A specialist was called to the spot to test whether the acid mixed with the nearby pondwhich is used as a source of potable water
.(i)Formation of a gas X is responsible for fizzing when the acid ran over the iron cover of the manhole.Identify X

.(ii)Specify a test to identify the presence gasX.

(iii)Facilitate the work of the specialist by suggestinga suitable test to detect the presence of acid in the pond.

Answer 1

(i)   Hydrogen

(ii)  Pop test

(iii) Litmus test