Question

B) Answer the following:
(1) Give the constituents of baking powder.
(2 )Why cake or bread swells on adding baking powder? Write
chemical equation.​

Answer 1

Answer:

1.it is a mixture of baking soda (sodium hydrogen carbonate, NaHCO3) and a solid edible acid such as tartric acid.

2.On mixing baking powder with water which is present in the dough prepared for baking a cake or bread sodium hydrogen carbonate reacts with tartaric acid to evolve carbon dioxide gas carbon dioxide gas.