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Materials : Metals and Non-Metals — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceMaterials : Metals and Non-Metals1 Mark
MCQ
Why is gold mixed with copper?
  • A
    To make gold soft.
  • ✓
    To make gold hard.
  • C
    To make gold more yellowish.
  • D
    To give gold a lustre.
✓

Answer

Correct option: B.
To make gold hard.
Gold is mixed with copper to make it hard.

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