Chemistry Test for H2S Below is a test for H2S Pb(NO3)2(aq) + H2S(g) → PbS(s) + 2HNO3(aq) It also has a rotten egg smell. Was this helpful?👍 Yes👎 No ← Previous Chemical Properties of H2S Next → Uses of Hydrogen Sulphide (H2S) Leave a comment Cancel replyYou must be logged in to post a comment.