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Changes – Physical and Chemical — Science STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7ScienceChanges – Physical and Chemical2 Marks
Question
Copper and brass utensils should be tinned.
✓

Answer

  1. Due to corrosion of copper or brass a greenish layer is seen to form on it.
  2. So to protect copper and brass utensils from corrosion they are coated with tin.
  3. This process is called thinning.

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