7-kimyo-1-v

umumta’lim maktabining 2023-2024-o‘quv yili uchun kimyo fanini o‘zlashtirish darajasini aniqlash uchun test, savol, masala va topshiriqlar 7-___sinf o‘quvchisi ____________________________________ f.i.sh. o‘quvchi to‘plagan umumiy ball:_____ 1-variant 1. uglerod atomining elektronlar, protonlar va neytronlar sonini aniqlang. a) 6, 6, 6 b) 12, 6, 6 c) 12, 12, 12 d) 6, 12, 6 2. nisbiy atom massani ortib borish tartibida joylashtiring? p, al, zn, n a) n, al, p, zn b) p, al, zn, n c) n, zn, al, p d) zn, al, p, n 3.tajriba davomida termometr sinib qolsa to’kilgan simobni qanday yig’ib olish kerak? a)kerosin ostida saqlash kerak b) maxsus usullar bilan yig’ishtirib,oltingugurt sepish kerak c) himoya vositalarini kiyib qum sepish kerak d) imkon boricha usti berk idishdan foydalanish kerak 4. …

This file contains 2 pages in PDF format (165.8 KB). To download "7-kimyo-1-v", click the Telegram button on the left.