22.02.2026 1-smena.(1-32)pdf
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22.02.2026 1-smena 1. cr (iii)-digidrosoarsenat molyar massasini toping. a) 225 b) 335 c) 497 d) 397 2. me(bron)2 moddada metallni massa ulushi 5/37 va kislorodni massa ulushi 12/37 bo`lsa me(oh)2 ni molyar massasini toping. a) 58 b) 74 c) 122 d) 40 3. ishqorlar bilan reaksiyaga kirashadigan moddalarni toping a) fe(oh)2, naoh b) mg(oh)2, al(oh)3 c) al(oh)3, zn(oh)2 d) naoh, koh 4. gund qoidasiga to’g’ri keladigan qatorni aniqlang 1) | ↑ | ↑ | ↑ | 2p6 2) | ↑↓ | ↑ | | 2p3 3) | ↑↓ | ↑↓ | | 2p4 4) | ↑↓ | ↑↓ | ↑ | | | 3d5 a) 1 b) 2 c) 3 d) 4 5. berilgan elementlardan qaysi birini ionlanish energiyasi kam …
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