2024 - dtm variant -30

dtm-2024 variant-30 1. quyidagilardan qaysi birlari doim oddiy modda hisoblanadi? 1) gazlar 2) metallar, 3) allotropik shakl o’zgarishlari 4) molekulyar tuzilishli moddalar. a) 2,4 b) 1,4 c) 2,3 d) 1,3 2. 2a + xb = 2c ushbu reaksiya tenglamasi bo’yicha muvozanat qaror topganda moddalarning konsentratsiyasi [a] – 4 mol/l, [b]-2 mol/l va [c] – 8 mol/l bo’lsa, x ning qiymatini aniqlang. (km=1/2) a) 2 b) 1 c) 3 d) 4 3. qaysi o’rinda quyidagi moddalardan trivial nomi xato berilgan? kclo3 , mgcl2∙6h2o, cahpo4 ∙2h2o, nahco3 a) pretsipitat b) ichimlik soda c) taxir tuz d) bishofit 4. moslikni toping. tuz formulasi gidroliz mahsuloti 1) fecl3 2) k2co3 3) ca(no3)2 k) asosli tuz l) nordon tuz a) 2-l, 3-k b) 1-k, 2-l …

This file contains 2 pages in PDF format (201.1 KB). To download "2024 - dtm variant -30", click the Telegram button on the left.