One of the constituents of baking powder is sodium hydrogen carbonate. The other constituent is :
A. hydrochloric acid
B. tartaric acid
C. acetic acid
D. sulphuric acid
Answer:B
One of the constituents of baking powder is sodium hydrogen carbonate. The other constituent is :
A. hydrochloric acid B. tartaric acid C. acetic acid D. sulphuric acid