5,6 L O₂ (n.sh.) necha molga teng , 0.25, 0.5, 1 mol H₂SO₄ tarkibida nechta atom mavjud?, 4× 6,02×10²³, 3× 6,02×10²³, 7× 6,02×10²³, 6,02×10²³, 0,5 mol Na₂CO₃ ning massasi nechaga teng?, 53, 26, 42, 54, 2H₂ + O₂ → 2H₂O reaksiyada 4 mol H₂ qatnashsa, nechta mol H₂O hosil bo‘ladi?, 4, 2, 1, 8, 44 g CO₂ necha molga teng?, 0.5, 1, 0.25, 2, Qaysi elementning elektrmanfiyligi eng katta?, Cl, O, F, N, 11,2 L N₂ (n.sh.) necha mol bo‘ladi?, 1, 0.5, 2, 1.5, Qaysi elementning elektron konfiguratsiyasi tashqi qavatida 3s²3p⁵ bo‘ladi?, F, Cl, S, Ne, Qaysi modda **faqat kovalent qutbsiz bog‘**dan tashkil topgan?, NH3, O2, H2O, H2O2, Qaysi modda amfoter gidroksid hisoblanadi?, NaOH, KOH, CuOH)2, Al(OH)3, Qaysi zarracha eng kichik massaga ega?, praton, neytron , elektiron, alfa, Qaysi modda kuchli elektrolit hisoblanadi?, NaOH, CO2, C2H6, Qaysi element eng katta atom radiusiga ega?, K, Na, Li, Be, Qaysi modda ion kristall panjaraga ega?, CO2, NH3, NaCl, O2, Qaysi modda katalizator ishtirokida NH₃ sintezida ishlatiladi?, H2SO4, F2, Fe, Ag.
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