Walthamstow.London - learn more http://walthamstow.london/News/learn-more-106/ The bar we use to wash ourselves daily called soap is really a salt steel antacids (such as sodium hydroxide that incorporates with other chemicals called fatty carboxylic acids. The interaction of these chemicals in the making of soap is called saponification. Mon, 16 Apr 2018 06:56:40 UTC en