Uy » Online olimpiada » Kimyo olimpiada » 9-sinf Kimyo olimpiada №4 Kimyo olimpiada 9-sinf Kimyo olimpiada №4 InfoMaster Yanvar 5, 2023 663 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 9-sinf Kimyo olimpiada №4 03.01.2023 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Moddaning kimyoviy xossalarini o‘zida saqlovchi eng kichik zarra bu - … atom yadro molekula klaster 2 / 25 Qutbsiz kovalent bog’li molekulalar juftini aniqlang. HBr, РН3 MgJ2 , SO2 NaBr, HBr; S8 , F 3 / 25 NO va N2Ox dan iborat aralashmada kislorodning massa ulushi 40% , NO ning massa ulushi 21,4% bo’lsa, X ni toping. 5 2 3 1 4 / 25 Agar quyidagi reaksiya butun koeffisentlar bilan tenglashtirilsa, H+ oldidagi koeffisent nechaga teng? 3 4 14 7 5 / 25 Eng qutibli bog`: N-Cl Br-Cl I-Cl P-Cl 6 / 25 A D C B 7 / 25 A C B D 8 / 25 D C B A 9 / 25 C D B A 10 / 25 B D A C 11 / 25 C B A D 12 / 25 A C B D 13 / 25 B D A C 14 / 25 A D C B 15 / 25 D C B A 16 / 25 C B D A 17 / 25 C D B A 18 / 25 A B C D 19 / 25 D B A C 20 / 25 B A C D 21 / 25 C A D B 22 / 25 A C B D 23 / 25 C B D A 24 / 25 D A C B 25 / 25 C B D A 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
