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What are the primary uses of sodium bicarbonate?

Sodium bicarbonate is used in food preparation, medicine, industry, and household products. It serves as a leavening agent in baking, an antacid to relieve heartburn and indigestion, and an ingredient in effervescent tablets and beverages. It is also used in dry-chemical fire extinguishers, cleaning products, pH regulation, wastewater treatment, and various industrial manufacturing processes.