Chemistry 0620 · IGCSE · Physical and chemical changes

Physical and chemical changes — practice question

Limestone is a useful material with a wide range of uses. When limestone is heated, ........1....... and carbon dioxide are formed. This reaction is known as ........2....... Which words correctly fill gaps 1 and 2?

  • Alime; neutralisation
  • Blime; thermal decomposition
  • Cslaked lime; neutralisation
  • Dslaked lime; thermal decomposition

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