A 5-8% solution of acetic acid is commonly known as vinegar. Vinegar is widely used as a preservative in pickles, providing a tangy flavor and extending the shelf life of the preserved food. Its acidic nature helps inhibit the growth of harmful microorganisms, preventing spoilage. Additionally, vinegar serves as a versatile condiment in culinary applications, contributing to various dressings, marinades, and sauces. Beyond the kitchen, it finds application in household cleaning due to its antimicrobial properties. The affordability and accessibility of vinegar make it a popular and multifunctional substance in both culinary and domestic contexts.