Dry, white powder, soluble in water to form a slightly basic solution.
“Baking soda” is a common name for sodium bicarbonate,
It is not flammable, it reacts with acids to form carbon dioxide, water, and the related sodium salt in solution. It is soluble in water, dissociating into
In combination with "cream of tartar" and starch they form Baking Powder, a leavening agent.