II B guruh ha elementlariga nimalar kiradi?, Zn,Cd,Hg, Cd ning lotincha nomi?, Cadmium-rux rudasi, Zn dan Hg tomon qaytaruvchanlik qanday oʻzgaradi?, kuchsizlanadi, Zn ning olinishi?, ZnO+C=Zn+CO, Zn guruhchasi elementlari nechi valentli?, II valentli, Zn ruxga tarif, Och havo rangli ,kumushsimon qattiq metal, Braun va Lomonosov qaysi elementni olgan, Hg simobni, Hg nimada eriydi, HNO3da eriydi, Grinokit?, CdS, Otavit?, CaCO3, Smitsonit?, ZnCO3, Hg olinishi?, HgS+O2=Hg+SO2, Hg2Cl2, Sullema, Hg(OH)2 qanday xossaga ega?, Beqaror, Zn(OH)2 qanday xossaga ega?, Amfoter, Rux kuporosi?, ZnSO4•7H2O, HgO rangi?, qizil, Marmatit, Zn2FeS3, Ruxtosh?, ZnS, Zn+HNO3(kons), Zn(NO3)2+NO2+H2O

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