Which of the following salts is commonly used as a food preservative?

Which of the following salts is commonly used as a food preservative?

Step 1: Understand what a food preservative is. A food preservative is a substance added to food to prevent spoilage and extend its shelf life.
Step 2: Identify common types of food preservatives. Some common preservatives include salt, sugar, vinegar, and certain chemicals.
Step 3: Focus on salts. Among the salts, sodium chloride (table salt) is the most commonly used in food preservation.
Step 4: Recognize that sodium chloride helps to inhibit the growth of bacteria and mold, which helps keep food fresh.
Step 5: Conclude that sodium chloride is widely used as a food preservative in various food products.

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