On exposure to hydrogen sulphide; moist lead (II) ethanoate paper turns by Sunday | Apr 20 | Chemistry NECO | 0 comments A. black B. blue C. green D. white E. yellow Correct Answer: Option A – black Users Also Read These:A transformer connected to a 240Vr.m.s has 3000…A transformer is required to supply 12 Vrms to…A lead bullet of mass 0.05 kg is fired with a…Hydrogen sulphide gas can act as?A piece of filter paper moistened with lead (ll)…