D
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### 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?

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

### Answer:
