Uy » Online olimpiada » Kimyo olimpiada » 8-sinf Kimyo olimpiada №3 Kimyo olimpiada 8-sinf Kimyo olimpiada №3 InfoMaster Yanvar 3, 2023 82 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 0 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 8-sinf Kimyo olimpiada №3 30.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 20.4 g H2S mo’l miqdorda kislorodda yondirildi. Olingan gaz o’yuvchi natriy bilan reaksiyasida nordon tuz massasi o’rta tuz massasidan 16.4 g ga ko’p bo’lsa, nordon tuz massasini (g) da aniqlang. 10,4 20 31,2 41,6 2 / 25 Laboratoriyada xlor gazi qanday moddalardan olinadi? KClO, HCl,KCl KMnO₄, HCl, MnO₂ NaCl, H₂O HCl, NaCl, KOH 3 / 25 C D B A 4 / 25 D C B A 5 / 25 B C A D 6 / 25 C B D A 7 / 25 B C D A 8 / 25 C D B A 9 / 25 A C B D 10 / 25 A D C B 11 / 25 B C A D 12 / 25 C B D A 13 / 25 B D A C 14 / 25 B A C D 15 / 25 D A B C 16 / 25 C D A B 17 / 25 B A C D 18 / 25 B A D C 19 / 25 B D A C 20 / 25 B C A D 21 / 25 A D B C 22 / 25 D C B A 23 / 25 A B D C 24 / 25 A B C D 25 / 25 A C D B 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz