Education- Interesting facts 10 June 2022
ЁЯдФ How it works …….. тБЙ How a tooth paste is made : All toothpastes have 20%тАУ42% water, abrasives, fluoride, and surfactants or detergents. Representative *abrasives* include particles of aluminum hydroxide (Al(OH)3), calcium carbonate (CaCO3), sodium bicarbonate, or baking soda Read more








