Name the salt which is used as a preservative in pickles, and in curing meat and fish.

Salt is added as a preservative in pickles .

Why salt is used as preservative in food.

Name the carboxylic acid used as preservation.

Name one salt which is used in salt bridge.

Fill in the blanks-_______________ is the chemical compound used as a preservative in pickles and in cooking food.

What are used as preservatives while making pickles?

Answer the following questions in one word- Which chemical compound is used as a preservative in pickles and is the most common ingredient in cooking food?