Mustaqillik yillarida mamlakatimizda hukumatimiz tomonidan ta’lim sohasiga eng muhim vazifa sifatida e’tibor qaratib kelinayotgani sir emas. Bu sohada qator islohotlar qabul qilindi

Nazorat ishining bali _________
II variant
1. Hajmi 11,2 I bo'lgan etilaminni yondirish uchun kerak boladigan kislorodning hajmini (n.sh.da) aniqlang.
2. Quyidagi uglevodorodlarning tuzilish formulasini yozing: 3-metil- pentan, 3 - metil 4 - etilgeksan, pentadien - 1,3, butadien -1,4.
3. Temir (H)-xlorid tuzini to‘rt xil usul bilan hosil qilish reaksiya tenglamalarini yozing.
4. 11,2 I propan mo‘l kislorodda yondirilsa n.sh.da olchangan qancha hajm uglerod (IV)-oksid hosil bo'ladi?
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