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Chemistry in Everyday Life — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryChemistry in Everyday Life3 Marks
Question
Define the following terms :
  1. Antiseptic
  2. Cationic detergent
  3. Broad spectrum antibiotic
✓

Answer

  1. Antiseptics are the chemicals which either kill or prevent growth of microbes on living tissues.
  2. Cationic detergents are quarternary ammonium salts of amines with acetates, chlorides or bromides as anions/detergents whose cationic part is involved in cleansing action.
  3. Antibiotics which kill or inhibit a wide range of Gram-positive and Gram-negative bacteria.

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