"SB" typically refers to "Sodium Bicarbonate," a chemical compound with the formula NaHCO₃. It is commonly known as baking soda and is used in cooking, cleaning, and as an antacid. Sodium bicarbonate is a white crystalline powder that can neutralize acids, making it useful in various applications, including baking, where it acts as a leavening agent. In addition to culinary uses, SB has applications in medicine, where it can help relieve heartburn and indigestion. It is also used in swimming pools to maintain pH levels and in fire extinguishers to suppress small fires. Its versatility makes it a valuable compound in everyday life.