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  • Metals and Non Metals (Part II)
  • In which of the following forms, iron is less brittle, ha...
Multiple choice

In which of the following forms, iron is less brittle, harder, corrosion-resistant and most useful?

  1. Bauxite

  2. Cuprite

  3. Pyrolusite

  4. Steel

Reveal answer Fill a bubble to check yourself
B Correct answer

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