Baking soda is chemically represented by
A
Na<sub>2</sub>CO<sub>3</sub>
B
NaHCO<sub>3</sub>
C
Na<sub>2</sub>CO<sub>3</sub>.H<sub>2</sub>O
D
Na<sub>2</sub>CO<sub>3</sub>.10H<sub>2</sub>O
Correct Answer: NaHCO<sub>3</sub>