ms kimyo 2025
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ekspert, testolog jasurbek qurbonov tayyorlov kurslari va qo‘llanmalari // toshkent - 2025 oylik nazorat testi -30[2025] №1 atom kristall panjaraga ega sof (toza) moddani aniqlang. a) spirt b) kaliy nitrat c) metan d) bor №2 ushbu jarayon y2+ + xn → y0 + x+ asosida “n” ning son qiymatini aniqlang. a) +1 b) -1 c) +2 d) -2 №3 ion kristall panjaraga ega sof (toza) moddani tanlang. a) osh tuzi b) kremniy c) yod d) kislota №4 fe va s aralashmasini qanday usulda ajratish mumkin? a) tindirish b) filtrlash c) magnit d) bug‘latish №5 elektromanfiyligi eng kichik bo‘lgan element: a) cs b) ba c) rb d) sr №6 metallmaslik xossasi uglerodnikidan kuchli, kislorodnikidan kuchsiz namoyon bo‘ladigan kimyoviy elementning vodorodli birikmasi …
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