DO`STLARGA ULASHING:

Alyuminiy va uning xossalari.doc  (Yuklab olish) [50.5kb]

Oksidlanish-qaytarilish reaksiyalari ( takrorlash ).doc  (Yuklab olish)  [120.3kb]

Uglerod .doc (Yuklab olish)  [97.4kb]