#nosiUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文SCT.암호화폐.CryptoWORLD OF XPILARComunidad LatinaBeauty of CreativityAVLE 일상#nosiTrendingHotNewPayoutsMutedkokhant141 (38)in #nosi • 7 years agoexam may(d) Hydrogen sulphide has weak ………. properties. (e) Halogens have essential electronic structure of ………. . (f) In…