What is the chemical name for ‘baking soda’?
(1) Sodium carbonate
(2) Sodium bicarbonate
(3) Sodium nitrite
(4) Sodium nitrate
Answer: (2) Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. It has a slightly salty, alkaline taste resembling that of washing soda (sodium carbonate). Since it has long been known and is widely used, the salt has many related names such as baking soda, bread soda, cooking soda, and bicarbonate of soda.
