Chemistry 0620 · IGCSE · Physical and chemical changes

Physical and chemical changes — practice question

Water is introduced to anhydrous copper(II) sulfate. What takes place during the reaction?

  • AThe copper(II) sulfate turns blue and the solution formed gets colder.
  • BThe copper(II) sulfate turns blue and the solution formed gets hotter.
  • CThe copper(II) sulfate turns white and the solution formed gets colder.
  • DThe copper(II) sulfate turns white and the solution formed gets hotter.

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