Single vs double acting baking powders – The acid in a baking powder can be either fast acting or slow acting . A fast acting acid reacts in a wet mixture with baking soda at room temperature and a slow acting acid will not react until heated in oven. Baking powders that contain both fast and slow acting acids are double acting . Those that contain only one acid are single acting. By providing a second rise in the oven double acting baking powders increase the reliability of baked goods by rendering the time elapsed between mixing and baking less critical and this is the type most widely available to consumers today. Eno fruit salt It is a combination of baking soda , citric acid and sodas. It has 46% baking soda (sodium bicarbonate) 44% citric acid and 10% s(sodium carbonate) Difference between Baking soda and Eno - To make baking soda active it requires being sour. But when we use eno salt various other kinds of savorings are not required as it already consist of it. We use Eno salt for making idli, dhokla etc. Continue reading