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Materials We Use — Science STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7ScienceMaterials We Use3 Marks
Question
Make a list of detergents, that you use.
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Answer

There are two types of detergents that we use, (a) Natural (b) Man-made detergents.
  1. Natural detergents are soap nut (ritha) soap pod (shikekai).
  2. Man-made detergents are soap, hard soaps, soft soaps.
  3. Synthetic detergents have taken the place of soap.
    • Detergents are commonly available as powders or concentrated solution.
    • Detergents are for laundry, washing clothes and cleaning dishes.
  4. Alkaline detergents used for hard surface cleaning.

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