(a) What is baking powder? How does it make the cake soft and spongy?
(b). In additio to sodium hydrogencarbonate, baking powders contain a substance X. Name the substance X what is the role of substance X in the baking powder?

(a) What is baking powder? How does it make the cake soft and spongy? (b). In addition to sodium hydrogen carbonate, baking powders contain a substance X. Name the substance X what is the role of substance X in the baking powder?

What is Baking powder ?

What is the role of tartaric acid in baking powder ?

how does baking powder make the cake soft and spongy?

Baking powder is pure sodium hydrogencarbonate.

One of the constituents of baking powder is sodium hydrogencarbonate, the other constituent is