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Metals and Nonmetals — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceMetals and Nonmetals5 Marks
Question
Alloys.
✓

Answer

  1. A homogeneous mixture of two or more metals or of metals and non-metals is called an alloy.
  2. They contain metals in specific proportions.
  3. The physical properties of an alloy are different from those of its constituents, but chemical properties remain the same.
  4. Copper and tin are used to make an alloy called bronze. It is hard and corrosion resistant.
  5. When iron and carbon are mixed, an alloy steel is formed. It is a stronger material.
  6. The alloy, stainless steel is made from iron, carbon, nickel and chromium. It is more durable, clean and does not rust.

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