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[ Question Bank ] - 2022 — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10Science[ Question Bank ] - 20222 Marks
Question
Write scientific reason.
Always paint grills of doors and windows before using them.
✓

Answer

  1. Grills of doors and windows are generally made up of iron metal.
  2. Before painting, iron metal is in direct contact with the moisture in the atmosphere.
  3. Moist air attacks the surface of iron metal and causes rusting (i.e., corrosion of iron).
  4. Contact between iron and moist air can be avoided by applying paint on grills of doors and windows. This prevents rusting and protects them from damage.
    Hence, grills of doors and windows are always painted before they are used.

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