Question: Sodium bicarbonate (NaHCO_{3}) is commonly known as baking soda. Sodium bicarbonate is a white solid that can dissolve in water. Under the proper conditions, sodium bicarbonate can release carbon dioxide (CO_{2}) gas. Which of the following is not a physical property of sodium bicarbonate?

  Options: 
 A. It is white.
 B. It is a solid.
 C. It can dissolve in water.
 D. It releases carbon dioxide.
Answer: D