Читать книгу Endless Amusement - Unknown - Страница 56
To change Blue to White.
ОглавлениеDissolve copper filings in a phial of volatile alkali; when the phial is unstopped, the liquor will be blue; when stopped, it will be white.
Dissolve copper filings in a phial of volatile alkali; when the phial is unstopped, the liquor will be blue; when stopped, it will be white.
