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Chemistry in Everyday Life — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryChemistry in Everyday Life2 Marks
Question
What are food preservatives?
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Answer

Food preservatives are chemical substances that are capable of inhibiting, regarding, or arresting the process of fermentation, acidification, or other decomposition of food by the growth of microorganisms.

Examples:

  1. Acetic acid is used mainly as a preservative for the preparation of pickles.
  2. Sodium meta suiphite is used as a preservative for fresh vegetables and fruits.
  3. Sodium benzoate is used as a preservative for juices.

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