1. Habka nuugista: Nuug gaaska hydrogen sulfide leh xalalka alkali sulfide (ama xal soodhaha caustic).Sababtoo ah gaasta hydrogen sulfide waa sun, falcelinta nuugista waa in lagu fuliyaa cadaadis taban.Si looga hortago wasakhowga sare leh ee hawada ee hydrogen sulfide ee ku jira exh ...
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