8-sinf Kimyo olimpiada №3 Yanvar 3, 2023Yanvar 3, 2023 da chop etilgan InfoMaster tomonidan 8-sinf Kimyo olimpiada №3 ga fikr bildirilmagan. 5 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 8-sinf Kimyo olimpiada №3 30.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Mol nisbatlari 5:2 bo’lgan CD4 va H2O tarkibidagi neytronlar soni ayirmasi5 ga teng bo’lsa aralashmaning moli yig’indisini toping. 1,25 1,55 3,5 1,75 2 / 25 10% nitrat kislota hosil qilish uchun 30% 50g nitrat kislotaga qancha suv qo’shish kerak? 100g 70g 25g 15g 3 / 25 D C B A 4 / 25 C D A B 5 / 25 A C D B 6 / 25 D C B A 7 / 25 B C D A 8 / 25 A D C B 9 / 25 B D A C 10 / 25 C D B A 11 / 25 C D A B 12 / 25 C A D B 13 / 25 C B D A 14 / 25 A B C D 15 / 25 C D B A 16 / 25 C A B D 17 / 25 D A C B 18 / 25 B C A D 19 / 25 B D A C 20 / 25 C D A B 21 / 25 A B C D 22 / 25 A D C B 23 / 25 A B C D 24 / 25 B A C D 25 / 25 A C B D 0% Testni qayta ishga tushiring Author: InfoMaster Kimyo olimpiada