Question

How does baking soda help to make cakes and bread soft and spongy

a) List the raw materials used for the preparation of baking soda.

b)Write chemical equations for its preparation .

Answer 1

Baking powder is mixed with the flour. When water is added to this flour to makedough, baking powder undergoes a chemical reaction during which carbon dioxide gas is produced. This carbon dioxide gas gets trapped into the dough and bubbles out which causes the cake to rise making it soft and spongy.
The three chief raw materials used for making washing soda are:

Sodium chloride

Ammonia

Carbon-dioxide

Answer 2

Hey mate here is your answer.

Baking Powder is mixed with the flour. When water is added to the flour to make dough, baking powder undergoes a chemical reaction during which carbon dioxide gas is produced.
This Carbon dioxide gas gets trapped into the dough and bubbles out which causes the cake to make soft and spongy.

Hope it is helpful for you.
Please mark as a Brainliest answer.