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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
In Which Of The Following Statement Is Or Are Correct?
  • A
    Anodizing is the process in which metals like Aluminium, copper etc. are coated electrically to protect them from corrosion.
  • B
    Electroplating is the process where metal surface is covered with another metal by using electric current.
  • C
    Tinning is a process of giving a coating of molten tin to avoid corrosion.
  • ✓
    All the above.
✓

Answer

Correct option: D.
All the above.
All the above.

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