noyabr oylik imtihon(j-siz)
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bahromiddin murodov imtihon +998774922000 stipendiya imtihon [01.12.2025] omad! 1. xo a 4 ,yo b 3 , zo c 4 anionlarda x metal. y va z metallmas. a x + y +h2o ushbu reaksiyani tugallab, x va y moddalarni aniqlang a) feso4 va h2 b) fe2o3 va s c) fe2(so4)3 va so2 d) feso4 va h2s 5. cuxs birikmasida misning massa ulushi 66,66% bo’lsa, birikmaning molyar massasini hisoblang. a) 160 b) 96 c) 144 d) 224 6. x2o3 moddasining v litri m gr ga teng bo’lsa, x elementining nisbiy atom massasini aniqlang a) 11,2m v – 24 b) 22,4m v – 48 c) 22,4m v d) m−48 2 7. x ning nisbiy atom massasi 27 bo’lsa, y ning nisbiy atom massasini …
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