Uy » Online olimpiada » Kimyo olimpiada » 9-sinf Kimyo olimpiada №4 Kimyo olimpiada 9-sinf Kimyo olimpiada №4 InfoMaster Yanvar 5, 2023 659 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 10 m³ hajmli idishda 2 atm bosim 25°C temperaturada 22,9 kg qutbsiz gaz qamalgan bo‘lsa, ushbu gazning kimyoviy formulasini keltiring. H2 H2O Cl N2 2 / 25 Sulfat angidridning parchalanish reaksiyasini to’rt marta orttirish uchun idishning hajmi qanday o’zgarishi lozim. 2 marta kamayishi 4 marta ortishi 4 marta kamayishi 2 marta ortishi 3 / 25 Ammiak gazi parchalandi. Natijada hosil bo’lgan aralashmadagi vodorodning hajmiy ulushi parchalanish unumiga teng bo’lsa, aralashmaning molyar massasini (g/mol) hisoblang. 11.33 13.6 10 12 4 / 25 Agar quyidagi reaksiya butun koeffisentlar bilan tenglashtirilsa, H+ oldidagi koeffisent nechaga teng? 4 7 14 3 5 / 25 reaksiyada X - : β-zarracha α-zarracha elektron neytron 6 / 25 A B D C 7 / 25 B C A D 8 / 25 B D A C 9 / 25 C D A B 10 / 25 A D C B 11 / 25 A B C D 12 / 25 A B D C 13 / 25 A C B D 14 / 25 B A C D 15 / 25 A B C D 16 / 25 B C A D 17 / 25 B A D C 18 / 25 D B C A 19 / 25 B A C D 20 / 25 D A C B 21 / 25 A B D C 22 / 25 D B A C 23 / 25 D A B C 24 / 25 B A D C 25 / 25 A D C B 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
