Chemistry 0620 · IGCSE · Elements, compounds and mixtures

Elements, compounds and mixtures — practice question

18 carat gold is made up of 75% gold and 25% copper by mass. Which statements about 18 carat gold are correct?

  • A1, 2 and 4
  • B1, 3 and 4
  • C1 and 3 only
  • D2 and 3

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