Sana 1-Nazorat ishi
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10-sinf kimyo nazorat ishi daftari 2022
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Sana Ball Imzo Sana 3-amaliy laboratoriya mashg’uloti Etilenni etil spirtdan olinishi. I.Kerakli jixoz va reaktivlar: probirka, gaz chiqish nayi, probka, shtativ, spirt lampasi, etil spirt ,sulfat kislota II.Ishning borishi: Tajribani bajarish uchun quruq probirkaga 5 ml etil spirt va 30 ml kontsentrlangan sulfat kislotadan iborat aralashma quyiladi va probirka og‘zini gaz chiqish nayi o‘tkazilgan probka bilan berkitiladi. Gaz chiqish nayining ikkinchi uchi suvli probirkaga tushirib qo‘yiladi. So‘ngra reaktivli probirka 45° burchak ostida shtativga o‘rnatilib, sekin qizdiriladi. Natijada probirkadagi mahsulot qorayadi va gaz holatidagi mahsulot – etilen ajralib chiqadi III,Xulosa__________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________ Download 0.51 Mb. Do'stlaringiz bilan baham: 
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