_is used as a preservative in achars and pickles used in the market.​

Answers 2

Salt or Sodium Chloride is used as a preservative in achars and pickles used in the market.
  • The growth of microorganisms especially bacteria is the commonest reason for the spoilage of achars and pickles.
  • When we add salt to the achars and pickles, their substance concentration will increase as compared to the inner surroundings of the microorganisms.
  • Due to the hypertonic surrounding provided to the microorganisms, osmosis happens.
  • In osmosis water moves from the internal hypotonic surrounding of the microbes to the external hypertonic surrounding inflicting the microbes to dehydrate that eventually results in their death.
  • Thus salt or sodium chloride is employed for the preservation of achars and pickles.

Answer:

sodium benzoate

Explanation:

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