Question

During the practical in the lab when hydrogen sulphide gas having offensive odour is prepared for some test, we can smell the gas even 50 metres away. Explain the phenomenon.

Answer 1

Answer:

this test is: you have to take a small quantity of salt in a test tube and add. dil. sulphric acid..hydrogen sulphide gas will turns moist blue litmus paper red...

hope it will be helpful for u...