sertifikat 2022 yil namunaviy
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kimyo 1. [1,3 ball] h2so4 (suyul.) na2so3 fes mg reaksiyalar natijasida hosil boâlgan gazlarning (n.sh.) nisbiy molekulyar massa yigâindisini toping. a) 162 b) 98 c) 116 d) 100 2. [2,2 ball] grafik asosida x ning nisbiy atom massasini toping. (ar(y ) = 16) m(x), g 2 m(xy3), g 0 5 a) 32 b) 48 c) 8 d) 24 3. [2,2 ball] 220 kpa bosimda, 167 â¦c haroratda 44 g gaz 16,62 litr hajmni egallaydi. nomaâlum gazning metanga nisbatan zichligini hisoblang. a) 1,65 b) 2,325 c) 2,75 d) 1,375 ( kimyo fanidan namunaviy test topshiriqlari ) ( 1 ) davriy jadvalning iii-viii (he dan tashqari) asosiy guruhcha elementlari qaysi elementlar oilasiga mansub? a) p b) f c) s d) d 5. …
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