Silver jewelry can be using aluminium foil, baking soda, and hot water.
Lye is the strongest, followed by washing soda and lastly baking soda.
It can be manufactured easily in the kitchen using simple ingredients such as ammonia and baking soda.
When acid is not used, thermal decomposition of the baking soda releases carbon dioxide.
One should instead use baking soda to extinguish a wax fire.
The buttermilk in the dough contains lactic acid, which reacts with the baking soda to form tiny bubbles of carbon dioxide.
The baking soda and acid react to form carbon dioxide which is trapped in the highly viscous mixture.
A natural toothpaste can be made by mixing baking soda, glycerin and water as a paste, with some antibacterial (e.g. sage) essential oils.