Chemistry 0620 · IGCSE · Elements, compounds and mixtures

Elements, compounds and mixtures — practice question

A mixture includes four substances: calcium nitrate, iron(II) sulfate, oxygen, and water. Which statement best describes the mixture?

  • AIt contains 6 elements.
  • BIt contains 3 compounds and 1 element.
  • CIt contains 2 compounds and 2 elements.
  • DIt contains 4 compounds.

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