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Chemistry in Everyday Life — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryChemistry in Everyday Life3 Marks
Question
Explain the following terms with one example in each case:
  1. Food preservatives.
  2. Enzymes.
  3. Detergents.
✓

Answer

  1. Food preservatives: Are the compounds which prevent spoilage of food due to microbial growth. eg: Sodium benzoate, vinegar.
  2. Enzymes are the biological catalysts which increase the rate of metabolism. eg: Invertase, Zymase,
  3. Detergents are sodium salts of long chain alkyl sulphonates or benzene sulphonates. eg: Sodium Lauryl sulphate.

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