To demonstrate that a chemical reaction is permanent and irreversible. The ribbon when heated over a burner or spirit lamp burns with a dazzling light and produces dense white fumes, which upon cooling forms a new substance called magnesium oxide whose properties are different from the original magnesium ribbon. Weight per roll 25g.

To demonstrate that a chemical reaction is permanent and irreversible. The ribbon when heated over a burner or spirit lamp burns with a dazzling light and produces dense white fumes, which upon cooling forms a new substance called magnesium oxide whose properties are different from the original magnesium ribbon. Weight per roll 25g.