Где искать: по сайтам Запорожской области, статьи, видео ролики
пример: покупка автомобиля в Запорожье
Which has lowest, max & highest Oxidation state? Part 17l Unit-8 | cbse | class 1205:55
Does tertiary alcohol undergo oxidation? Alcohols, Phenols & Ethers |chemistry cbse |tricks |11:49
Reactions involving Benzene ring| ALCOHOLS,PHENOL & ETHERS |chemistry cbse07:04
Lanthanide Contraction| Part 43|Unit-8 | cbse grade 1218:22
Вход / Log In