Uy » Online olimpiada » Kimyo olimpiada » 9-sinf Kimyo olimpiada №4 Kimyo olimpiada 9-sinf Kimyo olimpiada №4 InfoMaster Yanvar 5, 2023 640 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 - … molekula yadro atom klaster 2 / 25 Sulfat angidridning parchalanish reaksiyasini to’rt marta orttirish uchun idishning hajmi qanday o’zgarishi lozim. 2 marta kamayishi 4 marta kamayishi 2 marta ortishi 4 marta ortishi 3 / 25 Kalsiy fosfat molekulasida nechta sigma va nechta pi bog’ borligini aniqlang. 28; 4 21; 3; 7; 1; 14; 2; 4 / 25 200 ml 0,2 M KOH eritmasiga 300 ml 0,15 M HCl eritmasi qo`shildi. Hosil bo`lgan eritmaning pH qiymatini aniqlang. Eritmalar aralashtirilganda eritmalar hajmi qo`shiladi deb hisoblang. 3 1 2 4 5 / 25 Eng qutibli bog`: I-Cl P-Cl N-Cl Br-Cl 6 / 25 D B C A 7 / 25 B A C D 8 / 25 C B D A 9 / 25 D A C B 10 / 25 C D B A 11 / 25 B C D A 12 / 25 C A D B 13 / 25 A C D B 14 / 25 B D A C 15 / 25 B A C D 16 / 25 B A C D 17 / 25 C A B D 18 / 25 B C D A 19 / 25 D C A B 20 / 25 D C B A 21 / 25 B D A C 22 / 25 D A B C 23 / 25 B D C A 24 / 25 D C B A 25 / 25 C D A B 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
