yozma ish. i variant
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10 – sinf yozma ish. i variant 1. 1- brom 2,3,3 - trimetil butan va 2 – brom 2 – metil propan na metali bilan reaksiyaga kirishganda ( vyurs reaksiyasi bo`yicha) qanday alkan hosil bo`ladi? 2. alyuminiy bilan misning 11,75 g aralashmasiga xlorid kislota bilan ishlov berildi va 6,72 litr gaz modda olindi. aralashmada necha foiz alyuminiy bo’lgan? 3. metallning ekvivalenti 56,2 ga teng. shu metall oksidi tarkibida qancha (%) metall borligini hisoblab toping. 4. quyidagi moddalarning struktur formulasini yozing: 1 – brom 3 – metil penten -1 3,4 – dimetil 5 – xlor geksen - 1 labaratoriya mashg`uloti uglerod (iv) – oksidning olinishi 10 – sinf yozma ish. ii variant 1. 2 – brom 2 – metil butan butan …
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