Baking soda, or sodium bicarbonate, has a pH level of approximately 8.4, making it slightly alkaline. This property is crucial for its effectiveness in various applications. In baking, its alkaline nature helps to neutralize acidity, allowing for better leavening and texture. In cleaning applications, the pH level aids in breaking down stubborn stains and odors, making it an essential ingredient in eco-friendly cleaning products. Understanding the pH level of baking soda is vital for optimizing its use in different scenarios, ensuring maximum efficiency and effectiveness.