7-sinf kimyo 1-chorak monitoring. 1-variant

7-sinf kimyo 1-chorak monitoring. 1-variant. 1. “kimyo” so‘zi qanday ma’noni anglatadi? a) yunon tilidan olingan bo`lib “moddalar fani” ma`nosi b) qadimda misr kem – qora yer deb nomlangan. c) qadimgi rus kimyogarlari tomonidan kiritilgan. d) har bir tilde o`z holicha nomlangan. 2. “... men buni imkonsiz deb hisoblayman, chunki bir metallni boshqasiga aylantirishning yo‘llari yo‘q”, – deya xitob etgan – ushbu fikr muallifini toping. a) g. kavendish b) r. boyl c) abu ali ibn sino d) lavuazye 3. tirik organism hujayralarining ishlash mexanizmlarini o‘rganish va ko‘plab kashfiyotlar kimyo rivojlanishining qaysi bosqichida sodir bo`lgan. a) ilmiy kimyoning tug‘ilish davr b) klassik kimyo davri c) alkimyo davri d) zamonaviy davr 4. “alkagest” nima ? a) universal erituvchi b) universal eritma c)...

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