Uy » Online olimpiada » Kimyo olimpiada » 8-sinf Kimyo olimpiada №2 Kimyo olimpiada 8-sinf Kimyo olimpiada №2 InfoMaster Dekabr 16, 2022 48 Ko'rishlar 2 izohlar SaqlashSaqlanganOlib tashlandi 0 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 8-sinf Kimyo olimpiada №2 08.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Quyidagi moddalarning nechtasining molekulasida 10 ta atom mavjud emas 1) malaxit 2) ammoniy gidrofosfat 3) dolomit 4) aluminiy digidroksosulfat 5) kalsiy formiat 6) kaliy geksaxlorferrat (III)7) xrom(III)xlorat 2 3 5 4 2 / 25 1 tonna sulfatkislota ishlabchiqarishuchunnecha kilogram pirit kerak bo’ladi? 1224 918 612 306 3 / 25 Laboratoriyada xlor gazi qanday moddalardan olinadi? KMnO₄, HCl, MnO₂ HCl, NaCl, KOH NaCl, H₂O KClO, HCl,KCl 4 / 25 sp2 gibridlanishga ega birikmalarni aniqlang NH₃ H₂S PH₃ SiH₄ CCl₄ SiH₄ AlH₃ BF₃ 5 / 25 Har 10oC reaksiya tezligi necha marta ortadi? 5,5 4-6 2-4 6 6 / 25 C A B D 7 / 25 C D A B 8 / 25 A B C D 9 / 25 B D A C 10 / 25 D B A C 11 / 25 A C B D 12 / 25 B D A C 13 / 25 D C A B 14 / 25 B A D C 15 / 25 A D C B 16 / 25 B A D C 17 / 25 C B D A 18 / 25 A D B C 19 / 25 B D A C 20 / 25 B D C A 21 / 25 D B C A 22 / 25 D A C B 23 / 25 B C D A 24 / 25 D B A C 25 / 25 C A D B 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz