Hellow guys, Welcome to my website, and you are watching ОГЭ по химии. Экспериментальная часть: химические свойства гидроксида натрия. and this vIdeo is uploaded by Химлабо at 2023-07-07T03:32:21-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.