Question

a) Give the constituents of Baking powder.
b) Why cake or bread swells on adding Baking powder? Write chemical equation.
c) How is plaster of paris chemically different from gypsum? How may they be inter converted? Write one use of plaster of paris.

plz help me plz its urgent

Answer 1

• sodium hydrogen carbonate and tartaric acid are two constituents of baking powder
• due to the release of carbon dioxide

2NaHCO3 ___heat___> Na2CO3 + Co2 + H20

(c) is in the attachment.